Home / 70,641.35-97,499.38-43,405.03

Finding the Fourth Proportional to 70,641.35, 97,499.38 and 43,405.03

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Solution

The fourth proportional to 70,641.35, 97,499.38 and 43,405.03 is: 59,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,641.35 : 97,499.38 = 43,405.03 : x
  2. Step 2: Convert to fraction form
    70,641.35/97,499.38 = 43,405.03/x
  3. Step 3: Cross multiply
    70,641.35x = 97,499.38 × 43,405.03
  4. Step 4: Simplify right side
    70,641.35x = 4,231,963,026.38
  5. Step 5: Solve for x
    x = 4,231,963,026.38/70,641.35
  6. Step 6: Final answer
    x = 59,907.74

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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.