Home / 56,177.08-77,488.76-42,718.84

Finding the Fourth Proportional to 56,177.08, 77,488.76 and 42,718.84

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Solution

The fourth proportional to 56,177.08, 77,488.76 and 42,718.84 is: 58,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,177.08 : 77,488.76 = 42,718.84 : x
  2. Step 2: Convert to fraction form
    56,177.08/77,488.76 = 42,718.84/x
  3. Step 3: Cross multiply
    56,177.08x = 77,488.76 × 42,718.84
  4. Step 4: Simplify right side
    56,177.08x = 3,310,229,940.24
  5. Step 5: Solve for x
    x = 3,310,229,940.24/56,177.08
  6. Step 6: Final answer
    x = 58,924.92

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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.