Home / 91,771.04-126,668.80-59,939.25

Finding the Fourth Proportional to 91,771.04, 126,668.80 and 59,939.25

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Solution

The fourth proportional to 91,771.04, 126,668.80 and 59,939.25 is: 82,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.04 : 126,668.80 = 59,939.25 : x
  2. Step 2: Convert to fraction form
    91,771.04/126,668.80 = 59,939.25/x
  3. Step 3: Cross multiply
    91,771.04x = 126,668.80 × 59,939.25
  4. Step 4: Simplify right side
    91,771.04x = 7,592,432,870.40
  5. Step 5: Solve for x
    x = 7,592,432,870.40/91,771.04
  6. Step 6: Final answer
    x = 82,732.34

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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.