Home / 92,033.28-126,931.86-61,809.48

Finding the Fourth Proportional to 92,033.28, 126,931.86 and 61,809.48

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Solution

The fourth proportional to 92,033.28, 126,931.86 and 61,809.48 is: 85,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,033.28 : 126,931.86 = 61,809.48 : x
  2. Step 2: Convert to fraction form
    92,033.28/126,931.86 = 61,809.48/x
  3. Step 3: Cross multiply
    92,033.28x = 126,931.86 × 61,809.48
  4. Step 4: Simplify right side
    92,033.28x = 7,845,592,262.03
  5. Step 5: Solve for x
    x = 7,845,592,262.03/92,033.28
  6. Step 6: Final answer
    x = 85,247.34

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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.