Home / 70,731.02-97,608.68-40,526.12

Finding the Fourth Proportional to 70,731.02, 97,608.68 and 40,526.12

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Solution

The fourth proportional to 70,731.02, 97,608.68 and 40,526.12 is: 55,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,731.02 : 97,608.68 = 40,526.12 : x
  2. Step 2: Convert to fraction form
    70,731.02/97,608.68 = 40,526.12/x
  3. Step 3: Cross multiply
    70,731.02x = 97,608.68 × 40,526.12
  4. Step 4: Simplify right side
    70,731.02x = 3,955,701,078.72
  5. Step 5: Solve for x
    x = 3,955,701,078.72/70,731.02
  6. Step 6: Final answer
    x = 55,925.97

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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.