Home / 54,365.80-74,955.34-35,211.72

Finding the Fourth Proportional to 54,365.80, 74,955.34 and 35,211.72

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Solution

The fourth proportional to 54,365.80, 74,955.34 and 35,211.72 is: 48,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,365.80 : 74,955.34 = 35,211.72 : x
  2. Step 2: Convert to fraction form
    54,365.80/74,955.34 = 35,211.72/x
  3. Step 3: Cross multiply
    54,365.80x = 74,955.34 × 35,211.72
  4. Step 4: Simplify right side
    54,365.80x = 2,639,306,444.58
  5. Step 5: Solve for x
    x = 2,639,306,444.58/54,365.80
  6. Step 6: Final answer
    x = 48,547.18

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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.