Home / 57,392.70-86,088.94-15,272.79

Finding the Fourth Proportional to 57,392.70, 86,088.94 and 15,272.79

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Solution

The fourth proportional to 57,392.70, 86,088.94 and 15,272.79 is: 22,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,392.70 : 86,088.94 = 15,272.79 : x
  2. Step 2: Convert to fraction form
    57,392.70/86,088.94 = 15,272.79/x
  3. Step 3: Cross multiply
    57,392.70x = 86,088.94 × 15,272.79
  4. Step 4: Simplify right side
    57,392.70x = 1,314,818,301.94
  5. Step 5: Solve for x
    x = 1,314,818,301.94/57,392.70
  6. Step 6: Final answer
    x = 22,909.16

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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.