Home / 56,065.61-77,382.25-54,288.07

Finding the Fourth Proportional to 56,065.61, 77,382.25 and 54,288.07

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Solution

The fourth proportional to 56,065.61, 77,382.25 and 54,288.07 is: 74,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065.61 : 77,382.25 = 54,288.07 : x
  2. Step 2: Convert to fraction form
    56,065.61/77,382.25 = 54,288.07/x
  3. Step 3: Cross multiply
    56,065.61x = 77,382.25 × 54,288.07
  4. Step 4: Simplify right side
    56,065.61x = 4,200,932,675.58
  5. Step 5: Solve for x
    x = 4,200,932,675.58/56,065.61
  6. Step 6: Final answer
    x = 74,928.86

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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.