Home / 49,529.92-74,117.40-42,889.32

Finding the Fourth Proportional to 49,529.92, 74,117.40 and 42,889.32

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Solution

The fourth proportional to 49,529.92, 74,117.40 and 42,889.32 is: 64,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,529.92 : 74,117.40 = 42,889.32 : x
  2. Step 2: Convert to fraction form
    49,529.92/74,117.40 = 42,889.32/x
  3. Step 3: Cross multiply
    49,529.92x = 74,117.40 × 42,889.32
  4. Step 4: Simplify right side
    49,529.92x = 3,178,844,886.17
  5. Step 5: Solve for x
    x = 3,178,844,886.17/49,529.92
  6. Step 6: Final answer
    x = 64,180.30

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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.