Home / 91,555.13-126,349.65-51,268.52

Finding the Fourth Proportional to 91,555.13, 126,349.65 and 51,268.52

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Solution

The fourth proportional to 91,555.13, 126,349.65 and 51,268.52 is: 70,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.13 : 126,349.65 = 51,268.52 : x
  2. Step 2: Convert to fraction form
    91,555.13/126,349.65 = 51,268.52/x
  3. Step 3: Cross multiply
    91,555.13x = 126,349.65 × 51,268.52
  4. Step 4: Simplify right side
    91,555.13x = 6,477,758,926.27
  5. Step 5: Solve for x
    x = 6,477,758,926.27/91,555.13
  6. Step 6: Final answer
    x = 70,752.55

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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.