Home / 85,993.12-118,681.43-52,001.84

Finding the Fourth Proportional to 85,993.12, 118,681.43 and 52,001.84

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Solution

The fourth proportional to 85,993.12, 118,681.43 and 52,001.84 is: 71,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,993.12 : 118,681.43 = 52,001.84 : x
  2. Step 2: Convert to fraction form
    85,993.12/118,681.43 = 52,001.84/x
  3. Step 3: Cross multiply
    85,993.12x = 118,681.43 × 52,001.84
  4. Step 4: Simplify right side
    85,993.12x = 6,171,652,770.53
  5. Step 5: Solve for x
    x = 6,171,652,770.53/85,993.12
  6. Step 6: Final answer
    x = 71,769.15

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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.