Home / 86,901.12-119,858.27-58,253.10

Finding the Fourth Proportional to 86,901.12, 119,858.27 and 58,253.10

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Solution

The fourth proportional to 86,901.12, 119,858.27 and 58,253.10 is: 80,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901.12 : 119,858.27 = 58,253.10 : x
  2. Step 2: Convert to fraction form
    86,901.12/119,858.27 = 58,253.10/x
  3. Step 3: Cross multiply
    86,901.12x = 119,858.27 × 58,253.10
  4. Step 4: Simplify right side
    86,901.12x = 6,982,115,788.14
  5. Step 5: Solve for x
    x = 6,982,115,788.14/86,901.12
  6. Step 6: Final answer
    x = 80,345.52

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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.