Home / 56,349.36-77,728.32-37,229.76

Finding the Fourth Proportional to 56,349.36, 77,728.32 and 37,229.76

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Solution

The fourth proportional to 56,349.36, 77,728.32 and 37,229.76 is: 51,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,349.36 : 77,728.32 = 37,229.76 : x
  2. Step 2: Convert to fraction form
    56,349.36/77,728.32 = 37,229.76/x
  3. Step 3: Cross multiply
    56,349.36x = 77,728.32 × 37,229.76
  4. Step 4: Simplify right side
    56,349.36x = 2,893,806,698.80
  5. Step 5: Solve for x
    x = 2,893,806,698.80/56,349.36
  6. Step 6: Final answer
    x = 51,354.74

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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.