Home / 88,000.64-121,447.32-50,274.08

Finding the Fourth Proportional to 88,000.64, 121,447.32 and 50,274.08

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Solution

The fourth proportional to 88,000.64, 121,447.32 and 50,274.08 is: 69,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.64 : 121,447.32 = 50,274.08 : x
  2. Step 2: Convert to fraction form
    88,000.64/121,447.32 = 50,274.08/x
  3. Step 3: Cross multiply
    88,000.64x = 121,447.32 × 50,274.08
  4. Step 4: Simplify right side
    88,000.64x = 6,105,652,281.47
  5. Step 5: Solve for x
    x = 6,105,652,281.47/88,000.64
  6. Step 6: Final answer
    x = 69,381.91

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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.