Home / 70,743.02-97,639.24-40,548.58

Finding the Fourth Proportional to 70,743.02, 97,639.24 and 40,548.58

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Solution

The fourth proportional to 70,743.02, 97,639.24 and 40,548.58 is: 55,964.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.02 : 97,639.24 = 40,548.58 : x
  2. Step 2: Convert to fraction form
    70,743.02/97,639.24 = 40,548.58/x
  3. Step 3: Cross multiply
    70,743.02x = 97,639.24 × 40,548.58
  4. Step 4: Simplify right side
    70,743.02x = 3,959,132,534.28
  5. Step 5: Solve for x
    x = 3,959,132,534.28/70,743.02
  6. Step 6: Final answer
    x = 55,964.99

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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.