Home / 56,182.45-77,520.36-35,772.70

Finding the Fourth Proportional to 56,182.45, 77,520.36 and 35,772.70

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Solution

The fourth proportional to 56,182.45, 77,520.36 and 35,772.70 is: 49,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,182.45 : 77,520.36 = 35,772.70 : x
  2. Step 2: Convert to fraction form
    56,182.45/77,520.36 = 35,772.70/x
  3. Step 3: Cross multiply
    56,182.45x = 77,520.36 × 35,772.70
  4. Step 4: Simplify right side
    56,182.45x = 2,773,112,582.17
  5. Step 5: Solve for x
    x = 2,773,112,582.17/56,182.45
  6. Step 6: Final answer
    x = 49,359.05

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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.