Home / 86,575.48-119,455.18-56,357.56

Finding the Fourth Proportional to 86,575.48, 119,455.18 and 56,357.56

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Solution

The fourth proportional to 86,575.48, 119,455.18 and 56,357.56 is: 77,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,575.48 : 119,455.18 = 56,357.56 : x
  2. Step 2: Convert to fraction form
    86,575.48/119,455.18 = 56,357.56/x
  3. Step 3: Cross multiply
    86,575.48x = 119,455.18 × 56,357.56
  4. Step 4: Simplify right side
    86,575.48x = 6,732,202,474.16
  5. Step 5: Solve for x
    x = 6,732,202,474.16/86,575.48
  6. Step 6: Final answer
    x = 77,761.08

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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.