Home / 87,525.84-131,304.12-38,312.40

Finding the Fourth Proportional to 87,525.84, 131,304.12 and 38,312.40

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Solution

The fourth proportional to 87,525.84, 131,304.12 and 38,312.40 is: 57,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.84 : 131,304.12 = 38,312.40 : x
  2. Step 2: Convert to fraction form
    87,525.84/131,304.12 = 38,312.40/x
  3. Step 3: Cross multiply
    87,525.84x = 131,304.12 × 38,312.40
  4. Step 4: Simplify right side
    87,525.84x = 5,030,575,967.09
  5. Step 5: Solve for x
    x = 5,030,575,967.09/87,525.84
  6. Step 6: Final answer
    x = 57,475.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.