Home / 97,719.42-134,856.11-57,432.60

Finding the Fourth Proportional to 97,719.42, 134,856.11 and 57,432.60

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Solution

The fourth proportional to 97,719.42, 134,856.11 and 57,432.60 is: 79,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.42 : 134,856.11 = 57,432.60 : x
  2. Step 2: Convert to fraction form
    97,719.42/134,856.11 = 57,432.60/x
  3. Step 3: Cross multiply
    97,719.42x = 134,856.11 × 57,432.60
  4. Step 4: Simplify right side
    97,719.42x = 7,745,137,023.19
  5. Step 5: Solve for x
    x = 7,745,137,023.19/97,719.42
  6. Step 6: Final answer
    x = 79,258.93

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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.