Home / 91,323.25-126,025.67-51,036.98

Finding the Fourth Proportional to 91,323.25, 126,025.67 and 51,036.98

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Solution

The fourth proportional to 91,323.25, 126,025.67 and 51,036.98 is: 70,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.25 : 126,025.67 = 51,036.98 : x
  2. Step 2: Convert to fraction form
    91,323.25/126,025.67 = 51,036.98/x
  3. Step 3: Cross multiply
    91,323.25x = 126,025.67 × 51,036.98
  4. Step 4: Simplify right side
    91,323.25x = 6,431,969,096.74
  5. Step 5: Solve for x
    x = 6,431,969,096.74/91,323.25
  6. Step 6: Final answer
    x = 70,430.80

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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.