Home / 75,472.56-104,222.16-48,677.76

Finding the Fourth Proportional to 75,472.56, 104,222.16 and 48,677.76

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Solution

The fourth proportional to 75,472.56, 104,222.16 and 48,677.76 is: 67,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,472.56 : 104,222.16 = 48,677.76 : x
  2. Step 2: Convert to fraction form
    75,472.56/104,222.16 = 48,677.76/x
  3. Step 3: Cross multiply
    75,472.56x = 104,222.16 × 48,677.76
  4. Step 4: Simplify right side
    75,472.56x = 5,073,301,291.16
  5. Step 5: Solve for x
    x = 5,073,301,291.16/75,472.56
  6. Step 6: Final answer
    x = 67,220.47

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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.