Home / 102,958.16-142,097.12-59,342.24

Finding the Fourth Proportional to 102,958.16, 142,097.12 and 59,342.24

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Solution

The fourth proportional to 102,958.16, 142,097.12 and 59,342.24 is: 81,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,958.16 : 142,097.12 = 59,342.24 : x
  2. Step 2: Convert to fraction form
    102,958.16/142,097.12 = 59,342.24/x
  3. Step 3: Cross multiply
    102,958.16x = 142,097.12 × 59,342.24
  4. Step 4: Simplify right side
    102,958.16x = 8,432,361,398.35
  5. Step 5: Solve for x
    x = 8,432,361,398.35/102,958.16
  6. Step 6: Final answer
    x = 81,900.86

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1.5x scale

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.