Home / 91,973.06-126,934.09-51,688.52

Finding the Fourth Proportional to 91,973.06, 126,934.09 and 51,688.52

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Solution

The fourth proportional to 91,973.06, 126,934.09 and 51,688.52 is: 71,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,973.06 : 126,934.09 = 51,688.52 : x
  2. Step 2: Convert to fraction form
    91,973.06/126,934.09 = 51,688.52/x
  3. Step 3: Cross multiply
    91,973.06x = 126,934.09 × 51,688.52
  4. Step 4: Simplify right side
    91,973.06x = 6,561,034,485.76
  5. Step 5: Solve for x
    x = 6,561,034,485.76/91,973.06
  6. Step 6: Final answer
    x = 71,336.49

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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.