Home / 98,719.02-136,231.73-53,396.95

Finding the Fourth Proportional to 98,719.02, 136,231.73 and 53,396.95

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Solution

The fourth proportional to 98,719.02, 136,231.73 and 53,396.95 is: 73,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.02 : 136,231.73 = 53,396.95 : x
  2. Step 2: Convert to fraction form
    98,719.02/136,231.73 = 53,396.95/x
  3. Step 3: Cross multiply
    98,719.02x = 136,231.73 × 53,396.95
  4. Step 4: Simplify right side
    98,719.02x = 7,274,358,875.22
  5. Step 5: Solve for x
    x = 7,274,358,875.22/98,719.02
  6. Step 6: Final answer
    x = 73,687.51

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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.