Home / 87,529.32-120,812.58-60,002.28

Finding the Fourth Proportional to 87,529.32, 120,812.58 and 60,002.28

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Solution

The fourth proportional to 87,529.32, 120,812.58 and 60,002.28 is: 82,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,529.32 : 120,812.58 = 60,002.28 : x
  2. Step 2: Convert to fraction form
    87,529.32/120,812.58 = 60,002.28/x
  3. Step 3: Cross multiply
    87,529.32x = 120,812.58 × 60,002.28
  4. Step 4: Simplify right side
    87,529.32x = 7,249,030,252.68
  5. Step 5: Solve for x
    x = 7,249,030,252.68/87,529.32
  6. Step 6: Final answer
    x = 82,818.31

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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.