Home / 88,186.56-121,693.95-47,899.50

Finding the Fourth Proportional to 88,186.56, 121,693.95 and 47,899.50

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Solution

The fourth proportional to 88,186.56, 121,693.95 and 47,899.50 is: 66,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.56 : 121,693.95 = 47,899.50 : x
  2. Step 2: Convert to fraction form
    88,186.56/121,693.95 = 47,899.50/x
  3. Step 3: Cross multiply
    88,186.56x = 121,693.95 × 47,899.50
  4. Step 4: Simplify right side
    88,186.56x = 5,829,079,358.03
  5. Step 5: Solve for x
    x = 5,829,079,358.03/88,186.56
  6. Step 6: Final answer
    x = 66,099.41

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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.