Home / 89,776.32-123,886.28-49,482.58

Finding the Fourth Proportional to 89,776.32, 123,886.28 and 49,482.58

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Solution

The fourth proportional to 89,776.32, 123,886.28 and 49,482.58 is: 68,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776.32 : 123,886.28 = 49,482.58 : x
  2. Step 2: Convert to fraction form
    89,776.32/123,886.28 = 49,482.58/x
  3. Step 3: Cross multiply
    89,776.32x = 123,886.28 × 49,482.58
  4. Step 4: Simplify right side
    89,776.32x = 6,130,212,761.00
  5. Step 5: Solve for x
    x = 6,130,212,761.00/89,776.32
  6. Step 6: Final answer
    x = 68,283.18

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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.