Home / 56,318.94-77,649.57-36,140.22

Finding the Fourth Proportional to 56,318.94, 77,649.57 and 36,140.22

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Solution

The fourth proportional to 56,318.94, 77,649.57 and 36,140.22 is: 49,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.94 : 77,649.57 = 36,140.22 : x
  2. Step 2: Convert to fraction form
    56,318.94/77,649.57 = 36,140.22/x
  3. Step 3: Cross multiply
    56,318.94x = 77,649.57 × 36,140.22
  4. Step 4: Simplify right side
    56,318.94x = 2,806,272,542.71
  5. Step 5: Solve for x
    x = 2,806,272,542.71/56,318.94
  6. Step 6: Final answer
    x = 49,828.22

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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.