Home / 84,111.25-116,073.45-45,870.87

Finding the Fourth Proportional to 84,111.25, 116,073.45 and 45,870.87

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Solution

The fourth proportional to 84,111.25, 116,073.45 and 45,870.87 is: 63,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,111.25 : 116,073.45 = 45,870.87 : x
  2. Step 2: Convert to fraction form
    84,111.25/116,073.45 = 45,870.87/x
  3. Step 3: Cross multiply
    84,111.25x = 116,073.45 × 45,870.87
  4. Step 4: Simplify right side
    84,111.25x = 5,324,390,135.40
  5. Step 5: Solve for x
    x = 5,324,390,135.40/84,111.25
  6. Step 6: Final answer
    x = 63,301.76

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1.5x scale

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.