Home / 86,355.32-119,166.39-48,112.79

Finding the Fourth Proportional to 86,355.32, 119,166.39 and 48,112.79

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Solution

The fourth proportional to 86,355.32, 119,166.39 and 48,112.79 is: 66,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,355.32 : 119,166.39 = 48,112.79 : x
  2. Step 2: Convert to fraction form
    86,355.32/119,166.39 = 48,112.79/x
  3. Step 3: Cross multiply
    86,355.32x = 119,166.39 × 48,112.79
  4. Step 4: Simplify right side
    86,355.32x = 5,733,426,901.30
  5. Step 5: Solve for x
    x = 5,733,426,901.30/86,355.32
  6. Step 6: Final answer
    x = 66,393.45

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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.