Home / 88,014.08-121,459.39-47,727.72

Finding the Fourth Proportional to 88,014.08, 121,459.39 and 47,727.72

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Solution

The fourth proportional to 88,014.08, 121,459.39 and 47,727.72 is: 65,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014.08 : 121,459.39 = 47,727.72 : x
  2. Step 2: Convert to fraction form
    88,014.08/121,459.39 = 47,727.72/x
  3. Step 3: Cross multiply
    88,014.08x = 121,459.39 × 47,727.72
  4. Step 4: Simplify right side
    88,014.08x = 5,796,979,757.29
  5. Step 5: Solve for x
    x = 5,796,979,757.29/88,014.08
  6. Step 6: Final answer
    x = 65,864.23

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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.