Home / 86,439.56-119,333.66-59,725.89

Finding the Fourth Proportional to 86,439.56, 119,333.66 and 59,725.89

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Solution

The fourth proportional to 86,439.56, 119,333.66 and 59,725.89 is: 82,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,439.56 : 119,333.66 = 59,725.89 : x
  2. Step 2: Convert to fraction form
    86,439.56/119,333.66 = 59,725.89/x
  3. Step 3: Cross multiply
    86,439.56x = 119,333.66 × 59,725.89
  4. Step 4: Simplify right side
    86,439.56x = 7,127,308,751.83
  5. Step 5: Solve for x
    x = 7,127,308,751.83/86,439.56
  6. Step 6: Final answer
    x = 82,454.25

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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.