Home / 86,260.59-119,038.40-48,534.75

Finding the Fourth Proportional to 86,260.59, 119,038.40 and 48,534.75

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Solution

The fourth proportional to 86,260.59, 119,038.40 and 48,534.75 is: 66,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,260.59 : 119,038.40 = 48,534.75 : x
  2. Step 2: Convert to fraction form
    86,260.59/119,038.40 = 48,534.75/x
  3. Step 3: Cross multiply
    86,260.59x = 119,038.40 × 48,534.75
  4. Step 4: Simplify right side
    86,260.59x = 5,777,498,741.73
  5. Step 5: Solve for x
    x = 5,777,498,741.73/86,260.59
  6. Step 6: Final answer
    x = 66,977.27

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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.