Home / 53,775.08-74,165.17-45,127.31

Finding the Fourth Proportional to 53,775.08, 74,165.17 and 45,127.31

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Solution

The fourth proportional to 53,775.08, 74,165.17 and 45,127.31 is: 62,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.08 : 74,165.17 = 45,127.31 : x
  2. Step 2: Convert to fraction form
    53,775.08/74,165.17 = 45,127.31/x
  3. Step 3: Cross multiply
    53,775.08x = 74,165.17 × 45,127.31
  4. Step 4: Simplify right side
    53,775.08x = 3,346,874,392.16
  5. Step 5: Solve for x
    x = 3,346,874,392.16/53,775.08
  6. Step 6: Final answer
    x = 62,238.40

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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.