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Finding the Fourth Proportional to 62,088.58, 85,645.92 and 45,073

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Solution

The fourth proportional to 62,088.58, 85,645.92 and 45,073 is: 62,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,088.58 : 85,645.92 = 45,073 : x
  2. Step 2: Convert to fraction form
    62,088.58/85,645.92 = 45,073/x
  3. Step 3: Cross multiply
    62,088.58x = 85,645.92 × 45,073
  4. Step 4: Simplify right side
    62,088.58x = 3,860,318,552.16
  5. Step 5: Solve for x
    x = 3,860,318,552.16/62,088.58
  6. Step 6: Final answer
    x = 62,174.37

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1.5x scale

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.