Home / 107,053.65-147,735.09-59,307.66

Finding the Fourth Proportional to 107,053.65, 147,735.09 and 59,307.66

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Solution

The fourth proportional to 107,053.65, 147,735.09 and 59,307.66 is: 81,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,053.65 : 147,735.09 = 59,307.66 : x
  2. Step 2: Convert to fraction form
    107,053.65/147,735.09 = 59,307.66/x
  3. Step 3: Cross multiply
    107,053.65x = 147,735.09 × 59,307.66
  4. Step 4: Simplify right side
    107,053.65x = 8,761,822,487.79
  5. Step 5: Solve for x
    x = 8,761,822,487.79/107,053.65
  6. Step 6: Final answer
    x = 81,845.15

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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.