Home / 98,719.02-136,235.47-54,007.02

Finding the Fourth Proportional to 98,719.02, 136,235.47 and 54,007.02

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Solution

The fourth proportional to 98,719.02, 136,235.47 and 54,007.02 is: 74,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.02 : 136,235.47 = 54,007.02 : x
  2. Step 2: Convert to fraction form
    98,719.02/136,235.47 = 54,007.02/x
  3. Step 3: Cross multiply
    98,719.02x = 136,235.47 × 54,007.02
  4. Step 4: Simplify right side
    98,719.02x = 7,357,671,753.00
  5. Step 5: Solve for x
    x = 7,357,671,753.00/98,719.02
  6. Step 6: Final answer
    x = 74,531.45

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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.