Home / 52,150.44-78,225.42-12,707.40

Finding the Fourth Proportional to 52,150.44, 78,225.42 and 12,707.40

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Solution

The fourth proportional to 52,150.44, 78,225.42 and 12,707.40 is: 19,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150.44 : 78,225.42 = 12,707.40 : x
  2. Step 2: Convert to fraction form
    52,150.44/78,225.42 = 12,707.40/x
  3. Step 3: Cross multiply
    52,150.44x = 78,225.42 × 12,707.40
  4. Step 4: Simplify right side
    52,150.44x = 994,041,702.11
  5. Step 5: Solve for x
    x = 994,041,702.11/52,150.44
  6. Step 6: Final answer
    x = 19,061.04

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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.