Home / 84,480.56-116,570.62-51,311.50

Finding the Fourth Proportional to 84,480.56, 116,570.62 and 51,311.50

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Solution

The fourth proportional to 84,480.56, 116,570.62 and 51,311.50 is: 70,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,480.56 : 116,570.62 = 51,311.50 : x
  2. Step 2: Convert to fraction form
    84,480.56/116,570.62 = 51,311.50/x
  3. Step 3: Cross multiply
    84,480.56x = 116,570.62 × 51,311.50
  4. Step 4: Simplify right side
    84,480.56x = 5,981,413,368.13
  5. Step 5: Solve for x
    x = 5,981,413,368.13/84,480.56
  6. Step 6: Final answer
    x = 70,802.25

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1.5x scale

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.