Home / 69,984.32-96,574.56-40,176.32

Finding the Fourth Proportional to 69,984.32, 96,574.56 and 40,176.32

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Solution

The fourth proportional to 69,984.32, 96,574.56 and 40,176.32 is: 55,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.32 : 96,574.56 = 40,176.32 : x
  2. Step 2: Convert to fraction form
    69,984.32/96,574.56 = 40,176.32/x
  3. Step 3: Cross multiply
    69,984.32x = 96,574.56 × 40,176.32
  4. Step 4: Simplify right side
    69,984.32x = 3,880,010,426.42
  5. Step 5: Solve for x
    x = 3,880,010,426.42/69,984.32
  6. Step 6: Final answer
    x = 55,441.14

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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.