Home / 91,618.14-126,430.83-51,333.60

Finding the Fourth Proportional to 91,618.14, 126,430.83 and 51,333.60

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Solution

The fourth proportional to 91,618.14, 126,430.83 and 51,333.60 is: 70,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,618.14 : 126,430.83 = 51,333.60 : x
  2. Step 2: Convert to fraction form
    91,618.14/126,430.83 = 51,333.60/x
  3. Step 3: Cross multiply
    91,618.14x = 126,430.83 × 51,333.60
  4. Step 4: Simplify right side
    91,618.14x = 6,490,149,654.89
  5. Step 5: Solve for x
    x = 6,490,149,654.89/91,618.14
  6. Step 6: Final answer
    x = 70,839.13

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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.