Home / 64,355.76-88,337.37-57,124.08

Finding the Fourth Proportional to 64,355.76, 88,337.37 and 57,124.08

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Solution

The fourth proportional to 64,355.76, 88,337.37 and 57,124.08 is: 78,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.76 : 88,337.37 = 57,124.08 : x
  2. Step 2: Convert to fraction form
    64,355.76/88,337.37 = 57,124.08/x
  3. Step 3: Cross multiply
    64,355.76x = 88,337.37 × 57,124.08
  4. Step 4: Simplify right side
    64,355.76x = 5,046,190,990.87
  5. Step 5: Solve for x
    x = 5,046,190,990.87/64,355.76
  6. Step 6: Final answer
    x = 78,410.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.