Home / 56,674.89-78,221.70-32,803.79

Finding the Fourth Proportional to 56,674.89, 78,221.70 and 32,803.79

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Solution

The fourth proportional to 56,674.89, 78,221.70 and 32,803.79 is: 45,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674.89 : 78,221.70 = 32,803.79 : x
  2. Step 2: Convert to fraction form
    56,674.89/78,221.70 = 32,803.79/x
  3. Step 3: Cross multiply
    56,674.89x = 78,221.70 × 32,803.79
  4. Step 4: Simplify right side
    56,674.89x = 2,565,967,829.13
  5. Step 5: Solve for x
    x = 2,565,967,829.13/56,674.89
  6. Step 6: Final answer
    x = 45,275.21

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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.