Home / 87,332.32-120,518.58-47,588.32

Finding the Fourth Proportional to 87,332.32, 120,518.58 and 47,588.32

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Solution

The fourth proportional to 87,332.32, 120,518.58 and 47,588.32 is: 65,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.32 : 120,518.58 = 47,588.32 : x
  2. Step 2: Convert to fraction form
    87,332.32/120,518.58 = 47,588.32/x
  3. Step 3: Cross multiply
    87,332.32x = 120,518.58 × 47,588.32
  4. Step 4: Simplify right side
    87,332.32x = 5,735,276,750.99
  5. Step 5: Solve for x
    x = 5,735,276,750.99/87,332.32
  6. Step 6: Final answer
    x = 65,671.87

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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.