Home / 70,705.10-97,573.28-38,876.01

Finding the Fourth Proportional to 70,705.10, 97,573.28 and 38,876.01

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Solution

The fourth proportional to 70,705.10, 97,573.28 and 38,876.01 is: 53,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.10 : 97,573.28 = 38,876.01 : x
  2. Step 2: Convert to fraction form
    70,705.10/97,573.28 = 38,876.01/x
  3. Step 3: Cross multiply
    70,705.10x = 97,573.28 × 38,876.01
  4. Step 4: Simplify right side
    70,705.10x = 3,793,259,614.63
  5. Step 5: Solve for x
    x = 3,793,259,614.63/70,705.10
  6. Step 6: Final answer
    x = 53,649.03

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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.