Home / 48,381.18-66,769.02-32,220.78

Finding the Fourth Proportional to 48,381.18, 66,769.02 and 32,220.78

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Solution

The fourth proportional to 48,381.18, 66,769.02 and 32,220.78 is: 44,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.18 : 66,769.02 = 32,220.78 : x
  2. Step 2: Convert to fraction form
    48,381.18/66,769.02 = 32,220.78/x
  3. Step 3: Cross multiply
    48,381.18x = 66,769.02 × 32,220.78
  4. Step 4: Simplify right side
    48,381.18x = 2,151,349,904.24
  5. Step 5: Solve for x
    x = 2,151,349,904.24/48,381.18
  6. Step 6: Final answer
    x = 44,466.67

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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.