Home / 88,011.54-121,464.36-50,278.50

Finding the Fourth Proportional to 88,011.54, 121,464.36 and 50,278.50

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Solution

The fourth proportional to 88,011.54, 121,464.36 and 50,278.50 is: 69,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.54 : 121,464.36 = 50,278.50 : x
  2. Step 2: Convert to fraction form
    88,011.54/121,464.36 = 50,278.50/x
  3. Step 3: Cross multiply
    88,011.54x = 121,464.36 × 50,278.50
  4. Step 4: Simplify right side
    88,011.54x = 6,107,045,824.26
  5. Step 5: Solve for x
    x = 6,107,045,824.26/88,011.54
  6. Step 6: Final answer
    x = 69,389.15

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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.