Home / 95,018.07-142,576.29-68,938.08

Finding the Fourth Proportional to 95,018.07, 142,576.29 and 68,938.08

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Solution

The fourth proportional to 95,018.07, 142,576.29 and 68,938.08 is: 103,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,018.07 : 142,576.29 = 68,938.08 : x
  2. Step 2: Convert to fraction form
    95,018.07/142,576.29 = 68,938.08/x
  3. Step 3: Cross multiply
    95,018.07x = 142,576.29 × 68,938.08
  4. Step 4: Simplify right side
    95,018.07x = 9,828,935,686.12
  5. Step 5: Solve for x
    x = 9,828,935,686.12/95,018.07
  6. Step 6: Final answer
    x = 103,442.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.