Home / 84,017.08-126,601.75-69,550.60

Finding the Fourth Proportional to 84,017.08, 126,601.75 and 69,550.60

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Solution

The fourth proportional to 84,017.08, 126,601.75 and 69,550.60 is: 104,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.08 : 126,601.75 = 69,550.60 : x
  2. Step 2: Convert to fraction form
    84,017.08/126,601.75 = 69,550.60/x
  3. Step 3: Cross multiply
    84,017.08x = 126,601.75 × 69,550.60
  4. Step 4: Simplify right side
    84,017.08x = 8,805,227,673.55
  5. Step 5: Solve for x
    x = 8,805,227,673.55/84,017.08
  6. Step 6: Final answer
    x = 104,802.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.