Home / 56,590.55-78,118.90-38,197.64

Finding the Fourth Proportional to 56,590.55, 78,118.90 and 38,197.64

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Solution

The fourth proportional to 56,590.55, 78,118.90 and 38,197.64 is: 52,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,590.55 : 78,118.90 = 38,197.64 : x
  2. Step 2: Convert to fraction form
    56,590.55/78,118.90 = 38,197.64/x
  3. Step 3: Cross multiply
    56,590.55x = 78,118.90 × 38,197.64
  4. Step 4: Simplify right side
    56,590.55x = 2,983,957,719.20
  5. Step 5: Solve for x
    x = 2,983,957,719.20/56,590.55
  6. Step 6: Final answer
    x = 52,728.91

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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.