Home / 57,526.78-79,411.45-38,674.84

Finding the Fourth Proportional to 57,526.78, 79,411.45 and 38,674.84

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Solution

The fourth proportional to 57,526.78, 79,411.45 and 38,674.84 is: 53,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,526.78 : 79,411.45 = 38,674.84 : x
  2. Step 2: Convert to fraction form
    57,526.78/79,411.45 = 38,674.84/x
  3. Step 3: Cross multiply
    57,526.78x = 79,411.45 × 38,674.84
  4. Step 4: Simplify right side
    57,526.78x = 3,071,225,122.92
  5. Step 5: Solve for x
    x = 3,071,225,122.92/57,526.78
  6. Step 6: Final answer
    x = 53,387.75

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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.