Home / 56,879.28-85,252.50-42,794.07

Finding the Fourth Proportional to 56,879.28, 85,252.50 and 42,794.07

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Solution

The fourth proportional to 56,879.28, 85,252.50 and 42,794.07 is: 64,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,879.28 : 85,252.50 = 42,794.07 : x
  2. Step 2: Convert to fraction form
    56,879.28/85,252.50 = 42,794.07/x
  3. Step 3: Cross multiply
    56,879.28x = 85,252.50 × 42,794.07
  4. Step 4: Simplify right side
    56,879.28x = 3,648,301,452.68
  5. Step 5: Solve for x
    x = 3,648,301,452.68/56,879.28
  6. Step 6: Final answer
    x = 64,141.13

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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.