Home / 70,783.02-97,678.87-40,586.02

Finding the Fourth Proportional to 70,783.02, 97,678.87 and 40,586.02

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Solution

The fourth proportional to 70,783.02, 97,678.87 and 40,586.02 is: 56,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,783.02 : 97,678.87 = 40,586.02 : x
  2. Step 2: Convert to fraction form
    70,783.02/97,678.87 = 40,586.02/x
  3. Step 3: Cross multiply
    70,783.02x = 97,678.87 × 40,586.02
  4. Step 4: Simplify right side
    70,783.02x = 3,964,396,225.74
  5. Step 5: Solve for x
    x = 3,964,396,225.74/70,783.02
  6. Step 6: Final answer
    x = 56,007.73

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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.