Home / 97,403.10-134,438.66-57,129.83

Finding the Fourth Proportional to 97,403.10, 134,438.66 and 57,129.83

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Solution

The fourth proportional to 97,403.10, 134,438.66 and 57,129.83 is: 78,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,403.10 : 134,438.66 = 57,129.83 : x
  2. Step 2: Convert to fraction form
    97,403.10/134,438.66 = 57,129.83/x
  3. Step 3: Cross multiply
    97,403.10x = 134,438.66 × 57,129.83
  4. Step 4: Simplify right side
    97,403.10x = 7,680,457,841.68
  5. Step 5: Solve for x
    x = 7,680,457,841.68/97,403.10
  6. Step 6: Final answer
    x = 78,852.29

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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.