Home / 73,985.56-102,068.70-45,294.41

Finding the Fourth Proportional to 73,985.56, 102,068.70 and 45,294.41

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Solution

The fourth proportional to 73,985.56, 102,068.70 and 45,294.41 is: 62,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.56 : 102,068.70 = 45,294.41 : x
  2. Step 2: Convert to fraction form
    73,985.56/102,068.70 = 45,294.41/x
  3. Step 3: Cross multiply
    73,985.56x = 102,068.70 × 45,294.41
  4. Step 4: Simplify right side
    73,985.56x = 4,623,141,545.97
  5. Step 5: Solve for x
    x = 4,623,141,545.97/73,985.56
  6. Step 6: Final answer
    x = 62,487.08

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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.