Home / 49,528.92-74,115.90-42,888.32

Finding the Fourth Proportional to 49,528.92, 74,115.90 and 42,888.32

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Solution

The fourth proportional to 49,528.92, 74,115.90 and 42,888.32 is: 64,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,528.92 : 74,115.90 = 42,888.32 : x
  2. Step 2: Convert to fraction form
    49,528.92/74,115.90 = 42,888.32/x
  3. Step 3: Cross multiply
    49,528.92x = 74,115.90 × 42,888.32
  4. Step 4: Simplify right side
    49,528.92x = 3,178,706,436.29
  5. Step 5: Solve for x
    x = 3,178,706,436.29/49,528.92
  6. Step 6: Final answer
    x = 64,178.80

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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.