Home / 70,919.94-97,867.81-39,088.16

Finding the Fourth Proportional to 70,919.94, 97,867.81 and 39,088.16

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Solution

The fourth proportional to 70,919.94, 97,867.81 and 39,088.16 is: 53,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919.94 : 97,867.81 = 39,088.16 : x
  2. Step 2: Convert to fraction form
    70,919.94/97,867.81 = 39,088.16/x
  3. Step 3: Cross multiply
    70,919.94x = 97,867.81 × 39,088.16
  4. Step 4: Simplify right side
    70,919.94x = 3,825,472,616.13
  5. Step 5: Solve for x
    x = 3,825,472,616.13/70,919.94
  6. Step 6: Final answer
    x = 53,940.72

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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.