Home / 107,039.07-147,714.03-59,291.42

Finding the Fourth Proportional to 107,039.07, 147,714.03 and 59,291.42

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Solution

The fourth proportional to 107,039.07, 147,714.03 and 59,291.42 is: 81,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.07 : 147,714.03 = 59,291.42 : x
  2. Step 2: Convert to fraction form
    107,039.07/147,714.03 = 59,291.42/x
  3. Step 3: Cross multiply
    107,039.07x = 147,714.03 × 59,291.42
  4. Step 4: Simplify right side
    107,039.07x = 8,758,173,854.05
  5. Step 5: Solve for x
    x = 8,758,173,854.05/107,039.07
  6. Step 6: Final answer
    x = 81,822.22

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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.