Home / 91,365.01-126,037.54-61,151.60

Finding the Fourth Proportional to 91,365.01, 126,037.54 and 61,151.60

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Solution

The fourth proportional to 91,365.01, 126,037.54 and 61,151.60 is: 84,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,365.01 : 126,037.54 = 61,151.60 : x
  2. Step 2: Convert to fraction form
    91,365.01/126,037.54 = 61,151.60/x
  3. Step 3: Cross multiply
    91,365.01x = 126,037.54 × 61,151.60
  4. Step 4: Simplify right side
    91,365.01x = 7,707,397,231.06
  5. Step 5: Solve for x
    x = 7,707,397,231.06/91,365.01
  6. Step 6: Final answer
    x = 84,358.30

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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.