Home / 70,084.60-96,719.62-39,875.24

Finding the Fourth Proportional to 70,084.60, 96,719.62 and 39,875.24

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Solution

The fourth proportional to 70,084.60, 96,719.62 and 39,875.24 is: 55,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,084.60 : 96,719.62 = 39,875.24 : x
  2. Step 2: Convert to fraction form
    70,084.60/96,719.62 = 39,875.24/x
  3. Step 3: Cross multiply
    70,084.60x = 96,719.62 × 39,875.24
  4. Step 4: Simplify right side
    70,084.60x = 3,856,718,060.21
  5. Step 5: Solve for x
    x = 3,856,718,060.21/70,084.60
  6. Step 6: Final answer
    x = 55,029.47

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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.