Home / 91,533.36-126,301.36-51,248.80

Finding the Fourth Proportional to 91,533.36, 126,301.36 and 51,248.80

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Solution

The fourth proportional to 91,533.36, 126,301.36 and 51,248.80 is: 70,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,533.36 : 126,301.36 = 51,248.80 : x
  2. Step 2: Convert to fraction form
    91,533.36/126,301.36 = 51,248.80/x
  3. Step 3: Cross multiply
    91,533.36x = 126,301.36 × 51,248.80
  4. Step 4: Simplify right side
    91,533.36x = 6,472,793,138.37
  5. Step 5: Solve for x
    x = 6,472,793,138.37/91,533.36
  6. Step 6: Final answer
    x = 70,715.13

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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.