Home / 54,445.52-81,988.07-47,508.28

Finding the Fourth Proportional to 54,445.52, 81,988.07 and 47,508.28

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Solution

The fourth proportional to 54,445.52, 81,988.07 and 47,508.28 is: 71,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445.52 : 81,988.07 = 47,508.28 : x
  2. Step 2: Convert to fraction form
    54,445.52/81,988.07 = 47,508.28/x
  3. Step 3: Cross multiply
    54,445.52x = 81,988.07 × 47,508.28
  4. Step 4: Simplify right side
    54,445.52x = 3,895,112,186.22
  5. Step 5: Solve for x
    x = 3,895,112,186.22/54,445.52
  6. Step 6: Final answer
    x = 71,541.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.