Home / 77,397.19-116,088.01-21,242.95

Finding the Fourth Proportional to 77,397.19, 116,088.01 and 21,242.95

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Solution

The fourth proportional to 77,397.19, 116,088.01 and 21,242.95 is: 31,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,397.19 : 116,088.01 = 21,242.95 : x
  2. Step 2: Convert to fraction form
    77,397.19/116,088.01 = 21,242.95/x
  3. Step 3: Cross multiply
    77,397.19x = 116,088.01 × 21,242.95
  4. Step 4: Simplify right side
    77,397.19x = 2,466,051,448.70
  5. Step 5: Solve for x
    x = 2,466,051,448.70/77,397.19
  6. Step 6: Final answer
    x = 31,862.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.