Home / 56,352.29-77,766.30-30,860.33

Finding the Fourth Proportional to 56,352.29, 77,766.30 and 30,860.33

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Solution

The fourth proportional to 56,352.29, 77,766.30 and 30,860.33 is: 42,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.29 : 77,766.30 = 30,860.33 : x
  2. Step 2: Convert to fraction form
    56,352.29/77,766.30 = 30,860.33/x
  3. Step 3: Cross multiply
    56,352.29x = 77,766.30 × 30,860.33
  4. Step 4: Simplify right side
    56,352.29x = 2,399,893,526.58
  5. Step 5: Solve for x
    x = 2,399,893,526.58/56,352.29
  6. Step 6: Final answer
    x = 42,587.33

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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.