Home / 87,655.50-120,957.27-48,890.93

Finding the Fourth Proportional to 87,655.50, 120,957.27 and 48,890.93

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Solution

The fourth proportional to 87,655.50, 120,957.27 and 48,890.93 is: 67,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,655.50 : 120,957.27 = 48,890.93 : x
  2. Step 2: Convert to fraction form
    87,655.50/120,957.27 = 48,890.93/x
  3. Step 3: Cross multiply
    87,655.50x = 120,957.27 × 48,890.93
  4. Step 4: Simplify right side
    87,655.50x = 5,913,712,815.77
  5. Step 5: Solve for x
    x = 5,913,712,815.77/87,655.50
  6. Step 6: Final answer
    x = 67,465.39

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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.