Home / 77,417.16-116,113.30-21,244.15

Finding the Fourth Proportional to 77,417.16, 116,113.30 and 21,244.15

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Solution

The fourth proportional to 77,417.16, 116,113.30 and 21,244.15 is: 31,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,417.16 : 116,113.30 = 21,244.15 : x
  2. Step 2: Convert to fraction form
    77,417.16/116,113.30 = 21,244.15/x
  3. Step 3: Cross multiply
    77,417.16x = 116,113.30 × 21,244.15
  4. Step 4: Simplify right side
    77,417.16x = 2,466,727,834.74
  5. Step 5: Solve for x
    x = 2,466,727,834.74/77,417.16
  6. Step 6: Final answer
    x = 31,862.81

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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.