Home / 56,934.25-78,570.48-31,783.75

Finding the Fourth Proportional to 56,934.25, 78,570.48 and 31,783.75

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Solution

The fourth proportional to 56,934.25, 78,570.48 and 31,783.75 is: 43,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,934.25 : 78,570.48 = 31,783.75 : x
  2. Step 2: Convert to fraction form
    56,934.25/78,570.48 = 31,783.75/x
  3. Step 3: Cross multiply
    56,934.25x = 78,570.48 × 31,783.75
  4. Step 4: Simplify right side
    56,934.25x = 2,497,264,493.70
  5. Step 5: Solve for x
    x = 2,497,264,493.70/56,934.25
  6. Step 6: Final answer
    x = 43,862.25

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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.