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Finding the Fourth Proportional to 75,082.17, 112,504.71 and 60,973.56

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Solution

The fourth proportional to 75,082.17, 112,504.71 and 60,973.56 is: 91,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.17 : 112,504.71 = 60,973.56 : x
  2. Step 2: Convert to fraction form
    75,082.17/112,504.71 = 60,973.56/x
  3. Step 3: Cross multiply
    75,082.17x = 112,504.71 × 60,973.56
  4. Step 4: Simplify right side
    75,082.17x = 6,859,812,685.47
  5. Step 5: Solve for x
    x = 6,859,812,685.47/75,082.17
  6. Step 6: Final answer
    x = 91,364.07

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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.