Home / 99,647.24-137,506.30-56,046.32

Finding the Fourth Proportional to 99,647.24, 137,506.30 and 56,046.32

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Solution

The fourth proportional to 99,647.24, 137,506.30 and 56,046.32 is: 77,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647.24 : 137,506.30 = 56,046.32 : x
  2. Step 2: Convert to fraction form
    99,647.24/137,506.30 = 56,046.32/x
  3. Step 3: Cross multiply
    99,647.24x = 137,506.30 × 56,046.32
  4. Step 4: Simplify right side
    99,647.24x = 7,706,722,091.82
  5. Step 5: Solve for x
    x = 7,706,722,091.82/99,647.24
  6. Step 6: Final answer
    x = 77,340.05

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1.5x scale

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.