Home / 86,895.36-119,905.67-48,649.59

Finding the Fourth Proportional to 86,895.36, 119,905.67 and 48,649.59

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Solution

The fourth proportional to 86,895.36, 119,905.67 and 48,649.59 is: 67,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.36 : 119,905.67 = 48,649.59 : x
  2. Step 2: Convert to fraction form
    86,895.36/119,905.67 = 48,649.59/x
  3. Step 3: Cross multiply
    86,895.36x = 119,905.67 × 48,649.59
  4. Step 4: Simplify right side
    86,895.36x = 5,833,361,084.65
  5. Step 5: Solve for x
    x = 5,833,361,084.65/86,895.36
  6. Step 6: Final answer
    x = 67,130.87

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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.