Home / 54,572.16-81,376.24-47,935.76

Finding the Fourth Proportional to 54,572.16, 81,376.24 and 47,935.76

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Solution

The fourth proportional to 54,572.16, 81,376.24 and 47,935.76 is: 71,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.16 : 81,376.24 = 47,935.76 : x
  2. Step 2: Convert to fraction form
    54,572.16/81,376.24 = 47,935.76/x
  3. Step 3: Cross multiply
    54,572.16x = 81,376.24 × 47,935.76
  4. Step 4: Simplify right side
    54,572.16x = 3,900,831,910.34
  5. Step 5: Solve for x
    x = 3,900,831,910.34/54,572.16
  6. Step 6: Final answer
    x = 71,480.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.