Home / 84,384.27-116,395.43-54,121.66

Finding the Fourth Proportional to 84,384.27, 116,395.43 and 54,121.66

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Solution

The fourth proportional to 84,384.27, 116,395.43 and 54,121.66 is: 74,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,384.27 : 116,395.43 = 54,121.66 : x
  2. Step 2: Convert to fraction form
    84,384.27/116,395.43 = 54,121.66/x
  3. Step 3: Cross multiply
    84,384.27x = 116,395.43 × 54,121.66
  4. Step 4: Simplify right side
    84,384.27x = 6,299,513,888.01
  5. Step 5: Solve for x
    x = 6,299,513,888.01/84,384.27
  6. Step 6: Final answer
    x = 74,652.70

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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.