Home / 70,661.16-97,501.32-40,439.52

Finding the Fourth Proportional to 70,661.16, 97,501.32 and 40,439.52

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Solution

The fourth proportional to 70,661.16, 97,501.32 and 40,439.52 is: 55,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,661.16 : 97,501.32 = 40,439.52 : x
  2. Step 2: Convert to fraction form
    70,661.16/97,501.32 = 40,439.52/x
  3. Step 3: Cross multiply
    70,661.16x = 97,501.32 × 40,439.52
  4. Step 4: Simplify right side
    70,661.16x = 3,942,906,580.17
  5. Step 5: Solve for x
    x = 3,942,906,580.17/70,661.16
  6. Step 6: Final answer
    x = 55,800.20

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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.