Home / 91,599.06-126,190.88-86,087.82

Finding the Fourth Proportional to 91,599.06, 126,190.88 and 86,087.82

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Solution

The fourth proportional to 91,599.06, 126,190.88 and 86,087.82 is: 118,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.06 : 126,190.88 = 86,087.82 : x
  2. Step 2: Convert to fraction form
    91,599.06/126,190.88 = 86,087.82/x
  3. Step 3: Cross multiply
    91,599.06x = 126,190.88 × 86,087.82
  4. Step 4: Simplify right side
    91,599.06x = 10,863,497,763.08
  5. Step 5: Solve for x
    x = 10,863,497,763.08/91,599.06
  6. Step 6: Final answer
    x = 118,598.35

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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.