Home / 88,158.74-121,693.78-59,495.36

Finding the Fourth Proportional to 88,158.74, 121,693.78 and 59,495.36

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Solution

The fourth proportional to 88,158.74, 121,693.78 and 59,495.36 is: 82,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,158.74 : 121,693.78 = 59,495.36 : x
  2. Step 2: Convert to fraction form
    88,158.74/121,693.78 = 59,495.36/x
  3. Step 3: Cross multiply
    88,158.74x = 121,693.78 × 59,495.36
  4. Step 4: Simplify right side
    88,158.74x = 7,240,215,250.86
  5. Step 5: Solve for x
    x = 7,240,215,250.86/88,158.74
  6. Step 6: Final answer
    x = 82,127.03

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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.