Home / 97,806.71-135,056-62,060.15

Finding the Fourth Proportional to 97,806.71, 135,056 and 62,060.15

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Solution

The fourth proportional to 97,806.71, 135,056 and 62,060.15 is: 85,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806.71 : 135,056 = 62,060.15 : x
  2. Step 2: Convert to fraction form
    97,806.71/135,056 = 62,060.15/x
  3. Step 3: Cross multiply
    97,806.71x = 135,056 × 62,060.15
  4. Step 4: Simplify right side
    97,806.71x = 8,381,595,618.40
  5. Step 5: Solve for x
    x = 8,381,595,618.40/97,806.71
  6. Step 6: Final answer
    x = 85,695.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.