Home / 48,780.19-67,238.76-39,812.26

Finding the Fourth Proportional to 48,780.19, 67,238.76 and 39,812.26

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Solution

The fourth proportional to 48,780.19, 67,238.76 and 39,812.26 is: 54,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.19 : 67,238.76 = 39,812.26 : x
  2. Step 2: Convert to fraction form
    48,780.19/67,238.76 = 39,812.26/x
  3. Step 3: Cross multiply
    48,780.19x = 67,238.76 × 39,812.26
  4. Step 4: Simplify right side
    48,780.19x = 2,676,926,995.20
  5. Step 5: Solve for x
    x = 2,676,926,995.20/48,780.19
  6. Step 6: Final answer
    x = 54,877.34

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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.