Home / 70,331.08-97,059.56-40,121.32

Finding the Fourth Proportional to 70,331.08, 97,059.56 and 40,121.32

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Solution

The fourth proportional to 70,331.08, 97,059.56 and 40,121.32 is: 55,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,331.08 : 97,059.56 = 40,121.32 : x
  2. Step 2: Convert to fraction form
    70,331.08/97,059.56 = 40,121.32/x
  3. Step 3: Cross multiply
    70,331.08x = 97,059.56 × 40,121.32
  4. Step 4: Simplify right side
    70,331.08x = 3,894,157,665.82
  5. Step 5: Solve for x
    x = 3,894,157,665.82/70,331.08
  6. Step 6: Final answer
    x = 55,368.94

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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.