Home / 74,551.72-102,795.18-59,432.56

Finding the Fourth Proportional to 74,551.72, 102,795.18 and 59,432.56

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Solution

The fourth proportional to 74,551.72, 102,795.18 and 59,432.56 is: 81,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,551.72 : 102,795.18 = 59,432.56 : x
  2. Step 2: Convert to fraction form
    74,551.72/102,795.18 = 59,432.56/x
  3. Step 3: Cross multiply
    74,551.72x = 102,795.18 × 59,432.56
  4. Step 4: Simplify right side
    74,551.72x = 6,109,380,703.06
  5. Step 5: Solve for x
    x = 6,109,380,703.06/74,551.72
  6. Step 6: Final answer
    x = 81,948.22

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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.