Home / 105,386.97-145,425.22-59,444.08

Finding the Fourth Proportional to 105,386.97, 145,425.22 and 59,444.08

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Solution

The fourth proportional to 105,386.97, 145,425.22 and 59,444.08 is: 82,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,386.97 : 145,425.22 = 59,444.08 : x
  2. Step 2: Convert to fraction form
    105,386.97/145,425.22 = 59,444.08/x
  3. Step 3: Cross multiply
    105,386.97x = 145,425.22 × 59,444.08
  4. Step 4: Simplify right side
    105,386.97x = 8,644,668,233.90
  5. Step 5: Solve for x
    x = 8,644,668,233.90/105,386.97
  6. Step 6: Final answer
    x = 82,027.86

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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.