Home / 54,888.77-75,750.38-31,017.66

Finding the Fourth Proportional to 54,888.77, 75,750.38 and 31,017.66

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Solution

The fourth proportional to 54,888.77, 75,750.38 and 31,017.66 is: 42,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.77 : 75,750.38 = 31,017.66 : x
  2. Step 2: Convert to fraction form
    54,888.77/75,750.38 = 31,017.66/x
  3. Step 3: Cross multiply
    54,888.77x = 75,750.38 × 31,017.66
  4. Step 4: Simplify right side
    54,888.77x = 2,349,599,531.71
  5. Step 5: Solve for x
    x = 2,349,599,531.71/54,888.77
  6. Step 6: Final answer
    x = 42,806.56

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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.