Home / 91,236.39-125,878.69-52,988.56

Finding the Fourth Proportional to 91,236.39, 125,878.69 and 52,988.56

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Solution

The fourth proportional to 91,236.39, 125,878.69 and 52,988.56 is: 73,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,236.39 : 125,878.69 = 52,988.56 : x
  2. Step 2: Convert to fraction form
    91,236.39/125,878.69 = 52,988.56/x
  3. Step 3: Cross multiply
    91,236.39x = 125,878.69 × 52,988.56
  4. Step 4: Simplify right side
    91,236.39x = 6,670,130,517.79
  5. Step 5: Solve for x
    x = 6,670,130,517.79/91,236.39
  6. Step 6: Final answer
    x = 73,108.22

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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.