Home / 55,036.16-75,969.28-32,680

Finding the Fourth Proportional to 55,036.16, 75,969.28 and 32,680

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Solution

The fourth proportional to 55,036.16, 75,969.28 and 32,680 is: 45,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.16 : 75,969.28 = 32,680 : x
  2. Step 2: Convert to fraction form
    55,036.16/75,969.28 = 32,680/x
  3. Step 3: Cross multiply
    55,036.16x = 75,969.28 × 32,680
  4. Step 4: Simplify right side
    55,036.16x = 2,482,676,070.40
  5. Step 5: Solve for x
    x = 2,482,676,070.40/55,036.16
  6. Step 6: Final answer
    x = 45,109.91

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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.