Home / 91,220.31-125,914.10-53,493.75

Finding the Fourth Proportional to 91,220.31, 125,914.10 and 53,493.75

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Solution

The fourth proportional to 91,220.31, 125,914.10 and 53,493.75 is: 73,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.31 : 125,914.10 = 53,493.75 : x
  2. Step 2: Convert to fraction form
    91,220.31/125,914.10 = 53,493.75/x
  3. Step 3: Cross multiply
    91,220.31x = 125,914.10 × 53,493.75
  4. Step 4: Simplify right side
    91,220.31x = 6,735,617,119.41
  5. Step 5: Solve for x
    x = 6,735,617,119.41/91,220.31
  6. Step 6: Final answer
    x = 73,839.01

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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.