Home / 125,987.04-188,871.30-47,102.04

Finding the Fourth Proportional to 125,987.04, 188,871.30 and 47,102.04

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Solution

The fourth proportional to 125,987.04, 188,871.30 and 47,102.04 is: 70,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,987.04 : 188,871.30 = 47,102.04 : x
  2. Step 2: Convert to fraction form
    125,987.04/188,871.30 = 47,102.04/x
  3. Step 3: Cross multiply
    125,987.04x = 188,871.30 × 47,102.04
  4. Step 4: Simplify right side
    125,987.04x = 8,896,223,527.45
  5. Step 5: Solve for x
    x = 8,896,223,527.45/125,987.04
  6. Step 6: Final answer
    x = 70,612.21

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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.