Home / 56,195.20-77,543.76-31,043.08

Finding the Fourth Proportional to 56,195.20, 77,543.76 and 31,043.08

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Solution

The fourth proportional to 56,195.20, 77,543.76 and 31,043.08 is: 42,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.20 : 77,543.76 = 31,043.08 : x
  2. Step 2: Convert to fraction form
    56,195.20/77,543.76 = 31,043.08/x
  3. Step 3: Cross multiply
    56,195.20x = 77,543.76 × 31,043.08
  4. Step 4: Simplify right side
    56,195.20x = 2,407,197,145.18
  5. Step 5: Solve for x
    x = 2,407,197,145.18/56,195.20
  6. Step 6: Final answer
    x = 42,836.35

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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.