Home / 54,655.80-75,398.28-47,088.99

Finding the Fourth Proportional to 54,655.80, 75,398.28 and 47,088.99

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Solution

The fourth proportional to 54,655.80, 75,398.28 and 47,088.99 is: 64,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.80 : 75,398.28 = 47,088.99 : x
  2. Step 2: Convert to fraction form
    54,655.80/75,398.28 = 47,088.99/x
  3. Step 3: Cross multiply
    54,655.80x = 75,398.28 × 47,088.99
  4. Step 4: Simplify right side
    54,655.80x = 3,550,428,852.94
  5. Step 5: Solve for x
    x = 3,550,428,852.94/54,655.80
  6. Step 6: Final answer
    x = 64,959.78

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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.