Home / 64,342.85-96,407.55-45,529.61

Finding the Fourth Proportional to 64,342.85, 96,407.55 and 45,529.61

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Solution

The fourth proportional to 64,342.85, 96,407.55 and 45,529.61 is: 68,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,342.85 : 96,407.55 = 45,529.61 : x
  2. Step 2: Convert to fraction form
    64,342.85/96,407.55 = 45,529.61/x
  3. Step 3: Cross multiply
    64,342.85x = 96,407.55 × 45,529.61
  4. Step 4: Simplify right side
    64,342.85x = 4,389,398,152.56
  5. Step 5: Solve for x
    x = 4,389,398,152.56/64,342.85
  6. Step 6: Final answer
    x = 68,218.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.