Home / 56,454.08-78,003.45-54,433.50

Finding the Fourth Proportional to 56,454.08, 78,003.45 and 54,433.50

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Solution

The fourth proportional to 56,454.08, 78,003.45 and 54,433.50 is: 75,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454.08 : 78,003.45 = 54,433.50 : x
  2. Step 2: Convert to fraction form
    56,454.08/78,003.45 = 54,433.50/x
  3. Step 3: Cross multiply
    56,454.08x = 78,003.45 × 54,433.50
  4. Step 4: Simplify right side
    56,454.08x = 4,246,000,795.58
  5. Step 5: Solve for x
    x = 4,246,000,795.58/56,454.08
  6. Step 6: Final answer
    x = 75,211.59

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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.