Home / 87,313.76-120,397.64-58,970.24

Finding the Fourth Proportional to 87,313.76, 120,397.64 and 58,970.24

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Solution

The fourth proportional to 87,313.76, 120,397.64 and 58,970.24 is: 81,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,313.76 : 120,397.64 = 58,970.24 : x
  2. Step 2: Convert to fraction form
    87,313.76/120,397.64 = 58,970.24/x
  3. Step 3: Cross multiply
    87,313.76x = 120,397.64 × 58,970.24
  4. Step 4: Simplify right side
    87,313.76x = 7,099,877,726.23
  5. Step 5: Solve for x
    x = 7,099,877,726.23/87,313.76
  6. Step 6: Final answer
    x = 81,314.53

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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.