Home / 91,054.56-125,656.86-50,223.38

Finding the Fourth Proportional to 91,054.56, 125,656.86 and 50,223.38

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Solution

The fourth proportional to 91,054.56, 125,656.86 and 50,223.38 is: 69,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.56 : 125,656.86 = 50,223.38 : x
  2. Step 2: Convert to fraction form
    91,054.56/125,656.86 = 50,223.38/x
  3. Step 3: Cross multiply
    91,054.56x = 125,656.86 × 50,223.38
  4. Step 4: Simplify right side
    91,054.56x = 6,310,911,966.42
  5. Step 5: Solve for x
    x = 6,310,911,966.42/91,054.56
  6. Step 6: Final answer
    x = 69,309.12

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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.