Home / 99,513.96-137,184.18-75,599.12

Finding the Fourth Proportional to 99,513.96, 137,184.18 and 75,599.12

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Solution

The fourth proportional to 99,513.96, 137,184.18 and 75,599.12 is: 104,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513.96 : 137,184.18 = 75,599.12 : x
  2. Step 2: Convert to fraction form
    99,513.96/137,184.18 = 75,599.12/x
  3. Step 3: Cross multiply
    99,513.96x = 137,184.18 × 75,599.12
  4. Step 4: Simplify right side
    99,513.96x = 10,371,003,285.92
  5. Step 5: Solve for x
    x = 10,371,003,285.92/99,513.96
  6. Step 6: Final answer
    x = 104,216.57

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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.