Home / 70,947.99-97,897.56-40,734.59

Finding the Fourth Proportional to 70,947.99, 97,897.56 and 40,734.59

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Solution

The fourth proportional to 70,947.99, 97,897.56 and 40,734.59 is: 56,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.99 : 97,897.56 = 40,734.59 : x
  2. Step 2: Convert to fraction form
    70,947.99/97,897.56 = 40,734.59/x
  3. Step 3: Cross multiply
    70,947.99x = 97,897.56 × 40,734.59
  4. Step 4: Simplify right side
    70,947.99x = 3,987,816,479.11
  5. Step 5: Solve for x
    x = 3,987,816,479.11/70,947.99
  6. Step 6: Final answer
    x = 56,207.60

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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.