Home / 84,545.28-126,896.64-43,023.36

Finding the Fourth Proportional to 84,545.28, 126,896.64 and 43,023.36

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Solution

The fourth proportional to 84,545.28, 126,896.64 and 43,023.36 is: 64,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.28 : 126,896.64 = 43,023.36 : x
  2. Step 2: Convert to fraction form
    84,545.28/126,896.64 = 43,023.36/x
  3. Step 3: Cross multiply
    84,545.28x = 126,896.64 × 43,023.36
  4. Step 4: Simplify right side
    84,545.28x = 5,459,519,825.51
  5. Step 5: Solve for x
    x = 5,459,519,825.51/84,545.28
  6. Step 6: Final answer
    x = 64,575.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.