Home / 56,248.80-77,628.48-31,103.04

Finding the Fourth Proportional to 56,248.80, 77,628.48 and 31,103.04

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Solution

The fourth proportional to 56,248.80, 77,628.48 and 31,103.04 is: 42,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.80 : 77,628.48 = 31,103.04 : x
  2. Step 2: Convert to fraction form
    56,248.80/77,628.48 = 31,103.04/x
  3. Step 3: Cross multiply
    56,248.80x = 77,628.48 × 31,103.04
  4. Step 4: Simplify right side
    56,248.80x = 2,414,481,718.58
  5. Step 5: Solve for x
    x = 2,414,481,718.58/56,248.80
  6. Step 6: Final answer
    x = 42,925.04

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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.