Home / 111,816.74-154,308.12-60,829.94

Finding the Fourth Proportional to 111,816.74, 154,308.12 and 60,829.94

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Solution

The fourth proportional to 111,816.74, 154,308.12 and 60,829.94 is: 83,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.74 : 154,308.12 = 60,829.94 : x
  2. Step 2: Convert to fraction form
    111,816.74/154,308.12 = 60,829.94/x
  3. Step 3: Cross multiply
    111,816.74x = 154,308.12 × 60,829.94
  4. Step 4: Simplify right side
    111,816.74x = 9,386,553,681.11
  5. Step 5: Solve for x
    x = 9,386,553,681.11/111,816.74
  6. Step 6: Final answer
    x = 83,945.87

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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.