Home / 91,595.04-126,185.36-86,083.80

Finding the Fourth Proportional to 91,595.04, 126,185.36 and 86,083.80

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Solution

The fourth proportional to 91,595.04, 126,185.36 and 86,083.80 is: 118,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,595.04 : 126,185.36 = 86,083.80 : x
  2. Step 2: Convert to fraction form
    91,595.04/126,185.36 = 86,083.80/x
  3. Step 3: Cross multiply
    91,595.04x = 126,185.36 × 86,083.80
  4. Step 4: Simplify right side
    91,595.04x = 10,862,515,293.17
  5. Step 5: Solve for x
    x = 10,862,515,293.17/91,595.04
  6. Step 6: Final answer
    x = 118,592.83

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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.