Home / 88,431.38-121,995.87-59,741.81

Finding the Fourth Proportional to 88,431.38, 121,995.87 and 59,741.81

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Solution

The fourth proportional to 88,431.38, 121,995.87 and 59,741.81 is: 82,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.38 : 121,995.87 = 59,741.81 : x
  2. Step 2: Convert to fraction form
    88,431.38/121,995.87 = 59,741.81/x
  3. Step 3: Cross multiply
    88,431.38x = 121,995.87 × 59,741.81
  4. Step 4: Simplify right side
    88,431.38x = 7,288,254,086.32
  5. Step 5: Solve for x
    x = 7,288,254,086.32/88,431.38
  6. Step 6: Final answer
    x = 82,417.06

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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.