Home / 53,342.16-80,061.36-28,403.04

Finding the Fourth Proportional to 53,342.16, 80,061.36 and 28,403.04

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Solution

The fourth proportional to 53,342.16, 80,061.36 and 28,403.04 is: 42,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.16 : 80,061.36 = 28,403.04 : x
  2. Step 2: Convert to fraction form
    53,342.16/80,061.36 = 28,403.04/x
  3. Step 3: Cross multiply
    53,342.16x = 80,061.36 × 28,403.04
  4. Step 4: Simplify right side
    53,342.16x = 2,273,986,010.53
  5. Step 5: Solve for x
    x = 2,273,986,010.53/53,342.16
  6. Step 6: Final answer
    x = 42,630.18

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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.