Home / 124,730.08-187,092.47-40,490.11

Finding the Fourth Proportional to 124,730.08, 187,092.47 and 40,490.11

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Solution

The fourth proportional to 124,730.08, 187,092.47 and 40,490.11 is: 60,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.08 : 187,092.47 = 40,490.11 : x
  2. Step 2: Convert to fraction form
    124,730.08/187,092.47 = 40,490.11/x
  3. Step 3: Cross multiply
    124,730.08x = 187,092.47 × 40,490.11
  4. Step 4: Simplify right side
    124,730.08x = 7,575,395,037.83
  5. Step 5: Solve for x
    x = 7,575,395,037.83/124,730.08
  6. Step 6: Final answer
    x = 60,734.31

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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.