Home / 71,072.71-98,080.52-38,807.37

Finding the Fourth Proportional to 71,072.71, 98,080.52 and 38,807.37

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Solution

The fourth proportional to 71,072.71, 98,080.52 and 38,807.37 is: 53,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.71 : 98,080.52 = 38,807.37 : x
  2. Step 2: Convert to fraction form
    71,072.71/98,080.52 = 38,807.37/x
  3. Step 3: Cross multiply
    71,072.71x = 98,080.52 × 38,807.37
  4. Step 4: Simplify right side
    71,072.71x = 3,806,246,835.40
  5. Step 5: Solve for x
    x = 3,806,246,835.40/71,072.71
  6. Step 6: Final answer
    x = 53,554.27

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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.