Home / 70,882.06-97,831.73-40,688.10

Finding the Fourth Proportional to 70,882.06, 97,831.73 and 40,688.10

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Solution

The fourth proportional to 70,882.06, 97,831.73 and 40,688.10 is: 56,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.06 : 97,831.73 = 40,688.10 : x
  2. Step 2: Convert to fraction form
    70,882.06/97,831.73 = 40,688.10/x
  3. Step 3: Cross multiply
    70,882.06x = 97,831.73 × 40,688.10
  4. Step 4: Simplify right side
    70,882.06x = 3,980,587,213.41
  5. Step 5: Solve for x
    x = 3,980,587,213.41/70,882.06
  6. Step 6: Final answer
    x = 56,157.89

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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.