Home / 118,829.12-178,342.14-59,681.72

Finding the Fourth Proportional to 118,829.12, 178,342.14 and 59,681.72

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Solution

The fourth proportional to 118,829.12, 178,342.14 and 59,681.72 is: 89,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829.12 : 178,342.14 = 59,681.72 : x
  2. Step 2: Convert to fraction form
    118,829.12/178,342.14 = 59,681.72/x
  3. Step 3: Cross multiply
    118,829.12x = 178,342.14 × 59,681.72
  4. Step 4: Simplify right side
    118,829.12x = 10,643,765,663.68
  5. Step 5: Solve for x
    x = 10,643,765,663.68/118,829.12
  6. Step 6: Final answer
    x = 89,572.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.