Home / 52,006.10-78,009.15-31,010.90

Finding the Fourth Proportional to 52,006.10, 78,009.15 and 31,010.90

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Solution

The fourth proportional to 52,006.10, 78,009.15 and 31,010.90 is: 46,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,006.10 : 78,009.15 = 31,010.90 : x
  2. Step 2: Convert to fraction form
    52,006.10/78,009.15 = 31,010.90/x
  3. Step 3: Cross multiply
    52,006.10x = 78,009.15 × 31,010.90
  4. Step 4: Simplify right side
    52,006.10x = 2,419,133,949.74
  5. Step 5: Solve for x
    x = 2,419,133,949.74/52,006.10
  6. Step 6: Final answer
    x = 46,516.35

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1.5x scale

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.