Home / 107,034.51-147,707.10-61,712.13

Finding the Fourth Proportional to 107,034.51, 147,707.10 and 61,712.13

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Solution

The fourth proportional to 107,034.51, 147,707.10 and 61,712.13 is: 85,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,034.51 : 147,707.10 = 61,712.13 : x
  2. Step 2: Convert to fraction form
    107,034.51/147,707.10 = 61,712.13/x
  3. Step 3: Cross multiply
    107,034.51x = 147,707.10 × 61,712.13
  4. Step 4: Simplify right side
    107,034.51x = 9,115,319,757.12
  5. Step 5: Solve for x
    x = 9,115,319,757.12/107,034.51
  6. Step 6: Final answer
    x = 85,162.44

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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.