Home / 86,475.12-119,335.44-46,731.12

Finding the Fourth Proportional to 86,475.12, 119,335.44 and 46,731.12

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Solution

The fourth proportional to 86,475.12, 119,335.44 and 46,731.12 is: 64,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.12 : 119,335.44 = 46,731.12 : x
  2. Step 2: Convert to fraction form
    86,475.12/119,335.44 = 46,731.12/x
  3. Step 3: Cross multiply
    86,475.12x = 119,335.44 × 46,731.12
  4. Step 4: Simplify right side
    86,475.12x = 5,576,678,766.89
  5. Step 5: Solve for x
    x = 5,576,678,766.89/86,475.12
  6. Step 6: Final answer
    x = 64,488.82

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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.