Home / 54,935.88-75,810.66-31,061.76

Finding the Fourth Proportional to 54,935.88, 75,810.66 and 31,061.76

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Solution

The fourth proportional to 54,935.88, 75,810.66 and 31,061.76 is: 42,864.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.88 : 75,810.66 = 31,061.76 : x
  2. Step 2: Convert to fraction form
    54,935.88/75,810.66 = 31,061.76/x
  3. Step 3: Cross multiply
    54,935.88x = 75,810.66 × 31,061.76
  4. Step 4: Simplify right side
    54,935.88x = 2,354,812,526.36
  5. Step 5: Solve for x
    x = 2,354,812,526.36/54,935.88
  6. Step 6: Final answer
    x = 42,864.75

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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.