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Finding the Fourth Proportional to 79,027.48, 109,024.84 and 51,810.10

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Solution

The fourth proportional to 79,027.48, 109,024.84 and 51,810.10 is: 71,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,027.48 : 109,024.84 = 51,810.10 : x
  2. Step 2: Convert to fraction form
    79,027.48/109,024.84 = 51,810.10/x
  3. Step 3: Cross multiply
    79,027.48x = 109,024.84 × 51,810.10
  4. Step 4: Simplify right side
    79,027.48x = 5,648,587,058.71
  5. Step 5: Solve for x
    x = 5,648,587,058.71/79,027.48
  6. Step 6: Final answer
    x = 71,476.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.