Home / 56,183.12-77,532.60-31,032.56

Finding the Fourth Proportional to 56,183.12, 77,532.60 and 31,032.56

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Solution

The fourth proportional to 56,183.12, 77,532.60 and 31,032.56 is: 42,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.12 : 77,532.60 = 31,032.56 : x
  2. Step 2: Convert to fraction form
    56,183.12/77,532.60 = 31,032.56/x
  3. Step 3: Cross multiply
    56,183.12x = 77,532.60 × 31,032.56
  4. Step 4: Simplify right side
    56,183.12x = 2,406,035,061.46
  5. Step 5: Solve for x
    x = 2,406,035,061.46/56,183.12
  6. Step 6: Final answer
    x = 42,824.87

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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.