Home / 54,513.16-81,769.54-15,070.20

Finding the Fourth Proportional to 54,513.16, 81,769.54 and 15,070.20

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Solution

The fourth proportional to 54,513.16, 81,769.54 and 15,070.20 is: 22,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.16 : 81,769.54 = 15,070.20 : x
  2. Step 2: Convert to fraction form
    54,513.16/81,769.54 = 15,070.20/x
  3. Step 3: Cross multiply
    54,513.16x = 81,769.54 × 15,070.20
  4. Step 4: Simplify right side
    54,513.16x = 1,232,283,321.71
  5. Step 5: Solve for x
    x = 1,232,283,321.71/54,513.16
  6. Step 6: Final answer
    x = 22,605.24

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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.