Home / 98,717.02-136,228.97-53,394.95

Finding the Fourth Proportional to 98,717.02, 136,228.97 and 53,394.95

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Solution

The fourth proportional to 98,717.02, 136,228.97 and 53,394.95 is: 73,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,717.02 : 136,228.97 = 53,394.95 : x
  2. Step 2: Convert to fraction form
    98,717.02/136,228.97 = 53,394.95/x
  3. Step 3: Cross multiply
    98,717.02x = 136,228.97 × 53,394.95
  4. Step 4: Simplify right side
    98,717.02x = 7,273,939,515.76
  5. Step 5: Solve for x
    x = 7,273,939,515.76/98,717.02
  6. Step 6: Final answer
    x = 73,684.76

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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.