Home / 91,862.16-126,774.54-51,573.84

Finding the Fourth Proportional to 91,862.16, 126,774.54 and 51,573.84

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Solution

The fourth proportional to 91,862.16, 126,774.54 and 51,573.84 is: 71,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.16 : 126,774.54 = 51,573.84 : x
  2. Step 2: Convert to fraction form
    91,862.16/126,774.54 = 51,573.84/x
  3. Step 3: Cross multiply
    91,862.16x = 126,774.54 × 51,573.84
  4. Step 4: Simplify right side
    91,862.16x = 6,538,249,842.03
  5. Step 5: Solve for x
    x = 6,538,249,842.03/91,862.16
  6. Step 6: Final answer
    x = 71,174.57

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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.