Home / 87,095.79-120,217.76-56,885.73

Finding the Fourth Proportional to 87,095.79, 120,217.76 and 56,885.73

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Solution

The fourth proportional to 87,095.79, 120,217.76 and 56,885.73 is: 78,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,095.79 : 120,217.76 = 56,885.73 : x
  2. Step 2: Convert to fraction form
    87,095.79/120,217.76 = 56,885.73/x
  3. Step 3: Cross multiply
    87,095.79x = 120,217.76 × 56,885.73
  4. Step 4: Simplify right side
    87,095.79x = 6,838,674,577.69
  5. Step 5: Solve for x
    x = 6,838,674,577.69/87,095.79
  6. Step 6: Final answer
    x = 78,519.01

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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.