Home / 86,317.04-119,154.38-58,039.12

Finding the Fourth Proportional to 86,317.04, 119,154.38 and 58,039.12

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Solution

The fourth proportional to 86,317.04, 119,154.38 and 58,039.12 is: 80,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317.04 : 119,154.38 = 58,039.12 : x
  2. Step 2: Convert to fraction form
    86,317.04/119,154.38 = 58,039.12/x
  3. Step 3: Cross multiply
    86,317.04x = 119,154.38 × 58,039.12
  4. Step 4: Simplify right side
    86,317.04x = 6,915,615,359.35
  5. Step 5: Solve for x
    x = 6,915,615,359.35/86,317.04
  6. Step 6: Final answer
    x = 80,118.77

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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.