Home / 84,508.01-116,700.09-54,345.72

Finding the Fourth Proportional to 84,508.01, 116,700.09 and 54,345.72

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Solution

The fourth proportional to 84,508.01, 116,700.09 and 54,345.72 is: 75,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508.01 : 116,700.09 = 54,345.72 : x
  2. Step 2: Convert to fraction form
    84,508.01/116,700.09 = 54,345.72/x
  3. Step 3: Cross multiply
    84,508.01x = 116,700.09 × 54,345.72
  4. Step 4: Simplify right side
    84,508.01x = 6,342,150,415.11
  5. Step 5: Solve for x
    x = 6,342,150,415.11/84,508.01
  6. Step 6: Final answer
    x = 75,047.92

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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.