Home / 91,954.04-126,945.06-61,897.40

Finding the Fourth Proportional to 91,954.04, 126,945.06 and 61,897.40

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Solution

The fourth proportional to 91,954.04, 126,945.06 and 61,897.40 is: 85,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954.04 : 126,945.06 = 61,897.40 : x
  2. Step 2: Convert to fraction form
    91,954.04/126,945.06 = 61,897.40/x
  3. Step 3: Cross multiply
    91,954.04x = 126,945.06 × 61,897.40
  4. Step 4: Simplify right side
    91,954.04x = 7,857,569,156.84
  5. Step 5: Solve for x
    x = 7,857,569,156.84/91,954.04
  6. Step 6: Final answer
    x = 85,451.05

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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.