Home / 70,318.36-97,032.54-40,102.12

Finding the Fourth Proportional to 70,318.36, 97,032.54 and 40,102.12

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Solution

The fourth proportional to 70,318.36, 97,032.54 and 40,102.12 is: 55,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.36 : 97,032.54 = 40,102.12 : x
  2. Step 2: Convert to fraction form
    70,318.36/97,032.54 = 40,102.12/x
  3. Step 3: Cross multiply
    70,318.36x = 97,032.54 × 40,102.12
  4. Step 4: Simplify right side
    70,318.36x = 3,891,210,562.98
  5. Step 5: Solve for x
    x = 3,891,210,562.98/70,318.36
  6. Step 6: Final answer
    x = 55,337.05

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1.5x scale

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.