Home / 75,395.29-112,266.53-72,701.17

Finding the Fourth Proportional to 75,395.29, 112,266.53 and 72,701.17

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Solution

The fourth proportional to 75,395.29, 112,266.53 and 72,701.17 is: 108,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,395.29 : 112,266.53 = 72,701.17 : x
  2. Step 2: Convert to fraction form
    75,395.29/112,266.53 = 72,701.17/x
  3. Step 3: Cross multiply
    75,395.29x = 112,266.53 × 72,701.17
  4. Step 4: Simplify right side
    75,395.29x = 8,161,908,082.84
  5. Step 5: Solve for x
    x = 8,161,908,082.84/75,395.29
  6. Step 6: Final answer
    x = 108,254.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.