Home / 52,641.06-78,959.16-19,358.70

Finding the Fourth Proportional to 52,641.06, 78,959.16 and 19,358.70

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Solution

The fourth proportional to 52,641.06, 78,959.16 and 19,358.70 is: 29,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.06 : 78,959.16 = 19,358.70 : x
  2. Step 2: Convert to fraction form
    52,641.06/78,959.16 = 19,358.70/x
  3. Step 3: Cross multiply
    52,641.06x = 78,959.16 × 19,358.70
  4. Step 4: Simplify right side
    52,641.06x = 1,528,546,690.69
  5. Step 5: Solve for x
    x = 1,528,546,690.69/52,641.06
  6. Step 6: Final answer
    x = 29,037.16

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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.