Home / 63,101.30-94,631.48-20,970.06

Finding the Fourth Proportional to 63,101.30, 94,631.48 and 20,970.06

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Solution

The fourth proportional to 63,101.30, 94,631.48 and 20,970.06 is: 31,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,101.30 : 94,631.48 = 20,970.06 : x
  2. Step 2: Convert to fraction form
    63,101.30/94,631.48 = 20,970.06/x
  3. Step 3: Cross multiply
    63,101.30x = 94,631.48 × 20,970.06
  4. Step 4: Simplify right side
    63,101.30x = 1,984,427,708.64
  5. Step 5: Solve for x
    x = 1,984,427,708.64/63,101.30
  6. Step 6: Final answer
    x = 31,448.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.