Home / 77,949.49-116,836.76-38,534.28

Finding the Fourth Proportional to 77,949.49, 116,836.76 and 38,534.28

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Solution

The fourth proportional to 77,949.49, 116,836.76 and 38,534.28 is: 57,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,949.49 : 116,836.76 = 38,534.28 : x
  2. Step 2: Convert to fraction form
    77,949.49/116,836.76 = 38,534.28/x
  3. Step 3: Cross multiply
    77,949.49x = 116,836.76 × 38,534.28
  4. Step 4: Simplify right side
    77,949.49x = 4,502,220,523.55
  5. Step 5: Solve for x
    x = 4,502,220,523.55/77,949.49
  6. Step 6: Final answer
    x = 57,758.18

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1.5x scale

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.