Home / 56,565.06-78,057.64-31,416.18

Finding the Fourth Proportional to 56,565.06, 78,057.64 and 31,416.18

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Solution

The fourth proportional to 56,565.06, 78,057.64 and 31,416.18 is: 43,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.06 : 78,057.64 = 31,416.18 : x
  2. Step 2: Convert to fraction form
    56,565.06/78,057.64 = 31,416.18/x
  3. Step 3: Cross multiply
    56,565.06x = 78,057.64 × 31,416.18
  4. Step 4: Simplify right side
    56,565.06x = 2,452,272,868.62
  5. Step 5: Solve for x
    x = 2,452,272,868.62/56,565.06
  6. Step 6: Final answer
    x = 43,353.14

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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.