Home / 91,089.16-125,703.26-50,805.53

Finding the Fourth Proportional to 91,089.16, 125,703.26 and 50,805.53

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Solution

The fourth proportional to 91,089.16, 125,703.26 and 50,805.53 is: 70,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089.16 : 125,703.26 = 50,805.53 : x
  2. Step 2: Convert to fraction form
    91,089.16/125,703.26 = 50,805.53/x
  3. Step 3: Cross multiply
    91,089.16x = 125,703.26 × 50,805.53
  4. Step 4: Simplify right side
    91,089.16x = 6,386,420,526.39
  5. Step 5: Solve for x
    x = 6,386,420,526.39/91,089.16
  6. Step 6: Final answer
    x = 70,111.75

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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.