Home / 86,840.29-119,852.49-55,012.15

Finding the Fourth Proportional to 86,840.29, 119,852.49 and 55,012.15

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Solution

The fourth proportional to 86,840.29, 119,852.49 and 55,012.15 is: 75,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,840.29 : 119,852.49 = 55,012.15 : x
  2. Step 2: Convert to fraction form
    86,840.29/119,852.49 = 55,012.15/x
  3. Step 3: Cross multiply
    86,840.29x = 119,852.49 × 55,012.15
  4. Step 4: Simplify right side
    86,840.29x = 6,593,343,157.75
  5. Step 5: Solve for x
    x = 6,593,343,157.75/86,840.29
  6. Step 6: Final answer
    x = 75,924.93

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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.