Home / 84,641.04-126,963.36-28,482.84

Finding the Fourth Proportional to 84,641.04, 126,963.36 and 28,482.84

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Solution

The fourth proportional to 84,641.04, 126,963.36 and 28,482.84 is: 42,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,641.04 : 126,963.36 = 28,482.84 : x
  2. Step 2: Convert to fraction form
    84,641.04/126,963.36 = 28,482.84/x
  3. Step 3: Cross multiply
    84,641.04x = 126,963.36 × 28,482.84
  4. Step 4: Simplify right side
    84,641.04x = 3,616,277,068.74
  5. Step 5: Solve for x
    x = 3,616,277,068.74/84,641.04
  6. Step 6: Final answer
    x = 42,724.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.