Home / 87,030.24-120,101.28-47,286.24

Finding the Fourth Proportional to 87,030.24, 120,101.28 and 47,286.24

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Solution

The fourth proportional to 87,030.24, 120,101.28 and 47,286.24 is: 65,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,030.24 : 120,101.28 = 47,286.24 : x
  2. Step 2: Convert to fraction form
    87,030.24/120,101.28 = 47,286.24/x
  3. Step 3: Cross multiply
    87,030.24x = 120,101.28 × 47,286.24
  4. Step 4: Simplify right side
    87,030.24x = 5,679,137,950.39
  5. Step 5: Solve for x
    x = 5,679,137,950.39/87,030.24
  6. Step 6: Final answer
    x = 65,254.77

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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.