Home / 90,359.15-124,689.98-50,070.56

Finding the Fourth Proportional to 90,359.15, 124,689.98 and 50,070.56

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Solution

The fourth proportional to 90,359.15, 124,689.98 and 50,070.56 is: 69,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,359.15 : 124,689.98 = 50,070.56 : x
  2. Step 2: Convert to fraction form
    90,359.15/124,689.98 = 50,070.56/x
  3. Step 3: Cross multiply
    90,359.15x = 124,689.98 × 50,070.56
  4. Step 4: Simplify right side
    90,359.15x = 6,243,296,626.72
  5. Step 5: Solve for x
    x = 6,243,296,626.72/90,359.15
  6. Step 6: Final answer
    x = 69,094.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.