Home / 54,920.88-75,790.02-31,046.76

Finding the Fourth Proportional to 54,920.88, 75,790.02 and 31,046.76

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Solution

The fourth proportional to 54,920.88, 75,790.02 and 31,046.76 is: 42,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.88 : 75,790.02 = 31,046.76 : x
  2. Step 2: Convert to fraction form
    54,920.88/75,790.02 = 31,046.76/x
  3. Step 3: Cross multiply
    54,920.88x = 75,790.02 × 31,046.76
  4. Step 4: Simplify right side
    54,920.88x = 2,353,034,561.34
  5. Step 5: Solve for x
    x = 2,353,034,561.34/54,920.88
  6. Step 6: Final answer
    x = 42,844.08

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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.