Home / 99,699.66-137,516.81-59,382.18

Finding the Fourth Proportional to 99,699.66, 137,516.81 and 59,382.18

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Solution

The fourth proportional to 99,699.66, 137,516.81 and 59,382.18 is: 81,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,699.66 : 137,516.81 = 59,382.18 : x
  2. Step 2: Convert to fraction form
    99,699.66/137,516.81 = 59,382.18/x
  3. Step 3: Cross multiply
    99,699.66x = 137,516.81 × 59,382.18
  4. Step 4: Simplify right side
    99,699.66x = 8,166,047,667.53
  5. Step 5: Solve for x
    x = 8,166,047,667.53/99,699.66
  6. Step 6: Final answer
    x = 81,906.47

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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.