Home / 88,202.70-121,719.24-47,916.14

Finding the Fourth Proportional to 88,202.70, 121,719.24 and 47,916.14

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Solution

The fourth proportional to 88,202.70, 121,719.24 and 47,916.14 is: 66,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,202.70 : 121,719.24 = 47,916.14 : x
  2. Step 2: Convert to fraction form
    88,202.70/121,719.24 = 47,916.14/x
  3. Step 3: Cross multiply
    88,202.70x = 121,719.24 × 47,916.14
  4. Step 4: Simplify right side
    88,202.70x = 5,832,316,144.53
  5. Step 5: Solve for x
    x = 5,832,316,144.53/88,202.70
  6. Step 6: Final answer
    x = 66,124.01

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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.