Home / 107,139.03-147,841.90-59,388.31

Finding the Fourth Proportional to 107,139.03, 147,841.90 and 59,388.31

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Solution

The fourth proportional to 107,139.03, 147,841.90 and 59,388.31 is: 81,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,139.03 : 147,841.90 = 59,388.31 : x
  2. Step 2: Convert to fraction form
    107,139.03/147,841.90 = 59,388.31/x
  3. Step 3: Cross multiply
    107,139.03x = 147,841.90 × 59,388.31
  4. Step 4: Simplify right side
    107,139.03x = 8,780,080,588.19
  5. Step 5: Solve for x
    x = 8,780,080,588.19/107,139.03
  6. Step 6: Final answer
    x = 81,950.35

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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.