Home / 91,113.66-125,716.53-52,879.62

Finding the Fourth Proportional to 91,113.66, 125,716.53 and 52,879.62

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Solution

The fourth proportional to 91,113.66, 125,716.53 and 52,879.62 is: 72,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,113.66 : 125,716.53 = 52,879.62 : x
  2. Step 2: Convert to fraction form
    91,113.66/125,716.53 = 52,879.62/x
  3. Step 3: Cross multiply
    91,113.66x = 125,716.53 × 52,879.62
  4. Step 4: Simplify right side
    91,113.66x = 6,647,842,334.12
  5. Step 5: Solve for x
    x = 6,647,842,334.12/91,113.66
  6. Step 6: Final answer
    x = 72,962.08

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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.