Home / 115,567.43-159,532.17-70,259.88

Finding the Fourth Proportional to 115,567.43, 159,532.17 and 70,259.88

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Solution

The fourth proportional to 115,567.43, 159,532.17 and 70,259.88 is: 96,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,567.43 : 159,532.17 = 70,259.88 : x
  2. Step 2: Convert to fraction form
    115,567.43/159,532.17 = 70,259.88/x
  3. Step 3: Cross multiply
    115,567.43x = 159,532.17 × 70,259.88
  4. Step 4: Simplify right side
    115,567.43x = 11,208,711,120.34
  5. Step 5: Solve for x
    x = 11,208,711,120.34/115,567.43
  6. Step 6: Final answer
    x = 96,988.50

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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.