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Finding the Fourth Proportional to 79,897.23, 110,254.47 and 45,881.78

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Solution

The fourth proportional to 79,897.23, 110,254.47 and 45,881.78 is: 63,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897.23 : 110,254.47 = 45,881.78 : x
  2. Step 2: Convert to fraction form
    79,897.23/110,254.47 = 45,881.78/x
  3. Step 3: Cross multiply
    79,897.23x = 110,254.47 × 45,881.78
  4. Step 4: Simplify right side
    79,897.23x = 5,058,670,785.28
  5. Step 5: Solve for x
    x = 5,058,670,785.28/79,897.23
  6. Step 6: Final answer
    x = 63,314.72

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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.