Home / 56,187.20-77,501.61-36,012.13

Finding the Fourth Proportional to 56,187.20, 77,501.61 and 36,012.13

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Solution

The fourth proportional to 56,187.20, 77,501.61 and 36,012.13 is: 49,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.20 : 77,501.61 = 36,012.13 : x
  2. Step 2: Convert to fraction form
    56,187.20/77,501.61 = 36,012.13/x
  3. Step 3: Cross multiply
    56,187.20x = 77,501.61 × 36,012.13
  4. Step 4: Simplify right side
    56,187.20x = 2,790,997,860.78
  5. Step 5: Solve for x
    x = 2,790,997,860.78/56,187.20
  6. Step 6: Final answer
    x = 49,673.19

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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.