Home / 106,257.60-159,312.42-47,061.18

Finding the Fourth Proportional to 106,257.60, 159,312.42 and 47,061.18

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Solution

The fourth proportional to 106,257.60, 159,312.42 and 47,061.18 is: 70,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,257.60 : 159,312.42 = 47,061.18 : x
  2. Step 2: Convert to fraction form
    106,257.60/159,312.42 = 47,061.18/x
  3. Step 3: Cross multiply
    106,257.60x = 159,312.42 × 47,061.18
  4. Step 4: Simplify right side
    106,257.60x = 7,497,430,473.86
  5. Step 5: Solve for x
    x = 7,497,430,473.86/106,257.60
  6. Step 6: Final answer
    x = 70,559.00

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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.