Home / 53,747.44-74,178.95-38,689.94

Finding the Fourth Proportional to 53,747.44, 74,178.95 and 38,689.94

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Solution

The fourth proportional to 53,747.44, 74,178.95 and 38,689.94 is: 53,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.44 : 74,178.95 = 38,689.94 : x
  2. Step 2: Convert to fraction form
    53,747.44/74,178.95 = 38,689.94/x
  3. Step 3: Cross multiply
    53,747.44x = 74,178.95 × 38,689.94
  4. Step 4: Simplify right side
    53,747.44x = 2,869,979,124.76
  5. Step 5: Solve for x
    x = 2,869,979,124.76/53,747.44
  6. Step 6: Final answer
    x = 53,397.50

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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.