Home / 107,053.47-147,742.79-59,311.26

Finding the Fourth Proportional to 107,053.47, 147,742.79 and 59,311.26

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Solution

The fourth proportional to 107,053.47, 147,742.79 and 59,311.26 is: 81,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,053.47 : 147,742.79 = 59,311.26 : x
  2. Step 2: Convert to fraction form
    107,053.47/147,742.79 = 59,311.26/x
  3. Step 3: Cross multiply
    107,053.47x = 147,742.79 × 59,311.26
  4. Step 4: Simplify right side
    107,053.47x = 8,762,810,734.26
  5. Step 5: Solve for x
    x = 8,762,810,734.26/107,053.47
  6. Step 6: Final answer
    x = 81,854.52

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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.