Home / 86,241.51-119,013.23-48,515.76

Finding the Fourth Proportional to 86,241.51, 119,013.23 and 48,515.76

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Solution

The fourth proportional to 86,241.51, 119,013.23 and 48,515.76 is: 66,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,241.51 : 119,013.23 = 48,515.76 : x
  2. Step 2: Convert to fraction form
    86,241.51/119,013.23 = 48,515.76/x
  3. Step 3: Cross multiply
    86,241.51x = 119,013.23 × 48,515.76
  4. Step 4: Simplify right side
    86,241.51x = 5,774,017,060.93
  5. Step 5: Solve for x
    x = 5,774,017,060.93/86,241.51
  6. Step 6: Final answer
    x = 66,951.72

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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.