Home / 65,100.08-89,788.82-47,254.16

Finding the Fourth Proportional to 65,100.08, 89,788.82 and 47,254.16

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Solution

The fourth proportional to 65,100.08, 89,788.82 and 47,254.16 is: 65,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,100.08 : 89,788.82 = 47,254.16 : x
  2. Step 2: Convert to fraction form
    65,100.08/89,788.82 = 47,254.16/x
  3. Step 3: Cross multiply
    65,100.08x = 89,788.82 × 47,254.16
  4. Step 4: Simplify right side
    65,100.08x = 4,242,895,266.49
  5. Step 5: Solve for x
    x = 4,242,895,266.49/65,100.08
  6. Step 6: Final answer
    x = 65,174.96

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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.