Home / 118,090.75-162,969.17-70,337.61

Finding the Fourth Proportional to 118,090.75, 162,969.17 and 70,337.61

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Solution

The fourth proportional to 118,090.75, 162,969.17 and 70,337.61 is: 97,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,090.75 : 162,969.17 = 70,337.61 : x
  2. Step 2: Convert to fraction form
    118,090.75/162,969.17 = 70,337.61/x
  3. Step 3: Cross multiply
    118,090.75x = 162,969.17 × 70,337.61
  4. Step 4: Simplify right side
    118,090.75x = 11,462,861,921.48
  5. Step 5: Solve for x
    x = 11,462,861,921.48/118,090.75
  6. Step 6: Final answer
    x = 97,068.25

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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.