Home / 86,014.24-118,699.80-48,288.76

Finding the Fourth Proportional to 86,014.24, 118,699.80 and 48,288.76

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Solution

The fourth proportional to 86,014.24, 118,699.80 and 48,288.76 is: 66,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,014.24 : 118,699.80 = 48,288.76 : x
  2. Step 2: Convert to fraction form
    86,014.24/118,699.80 = 48,288.76/x
  3. Step 3: Cross multiply
    86,014.24x = 118,699.80 × 48,288.76
  4. Step 4: Simplify right side
    86,014.24x = 5,731,866,154.25
  5. Step 5: Solve for x
    x = 5,731,866,154.25/86,014.24
  6. Step 6: Final answer
    x = 66,638.57

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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.