Home / 70,242.45-96,907.48-43,338.30

Finding the Fourth Proportional to 70,242.45, 96,907.48 and 43,338.30

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Solution

The fourth proportional to 70,242.45, 96,907.48 and 43,338.30 is: 59,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.45 : 96,907.48 = 43,338.30 : x
  2. Step 2: Convert to fraction form
    70,242.45/96,907.48 = 43,338.30/x
  3. Step 3: Cross multiply
    70,242.45x = 96,907.48 × 43,338.30
  4. Step 4: Simplify right side
    70,242.45x = 4,199,805,440.48
  5. Step 5: Solve for x
    x = 4,199,805,440.48/70,242.45
  6. Step 6: Final answer
    x = 59,790.13

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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.