Home / 54,934.02-75,811.95-31,062.78

Finding the Fourth Proportional to 54,934.02, 75,811.95 and 31,062.78

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Solution

The fourth proportional to 54,934.02, 75,811.95 and 31,062.78 is: 42,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.02 : 75,811.95 = 31,062.78 : x
  2. Step 2: Convert to fraction form
    54,934.02/75,811.95 = 31,062.78/x
  3. Step 3: Cross multiply
    54,934.02x = 75,811.95 × 31,062.78
  4. Step 4: Simplify right side
    54,934.02x = 2,354,929,924.22
  5. Step 5: Solve for x
    x = 2,354,929,924.22/54,934.02
  6. Step 6: Final answer
    x = 42,868.33

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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.