Home / 53,275.28-79,836.76-39,124.28

Finding the Fourth Proportional to 53,275.28, 79,836.76 and 39,124.28

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Solution

The fourth proportional to 53,275.28, 79,836.76 and 39,124.28 is: 58,630.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.28 : 79,836.76 = 39,124.28 : x
  2. Step 2: Convert to fraction form
    53,275.28/79,836.76 = 39,124.28/x
  3. Step 3: Cross multiply
    53,275.28x = 79,836.76 × 39,124.28
  4. Step 4: Simplify right side
    53,275.28x = 3,123,555,752.53
  5. Step 5: Solve for x
    x = 3,123,555,752.53/53,275.28
  6. Step 6: Final answer
    x = 58,630.49

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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.