Home / 74,632.59-102,884.17-56,696.46

Finding the Fourth Proportional to 74,632.59, 102,884.17 and 56,696.46

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Solution

The fourth proportional to 74,632.59, 102,884.17 and 56,696.46 is: 78,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,632.59 : 102,884.17 = 56,696.46 : x
  2. Step 2: Convert to fraction form
    74,632.59/102,884.17 = 56,696.46/x
  3. Step 3: Cross multiply
    74,632.59x = 102,884.17 × 56,696.46
  4. Step 4: Simplify right side
    74,632.59x = 5,833,167,572.88
  5. Step 5: Solve for x
    x = 5,833,167,572.88/74,632.59
  6. Step 6: Final answer
    x = 78,158.45

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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.