Home / 88,039.08-121,481.10-50,306.04

Finding the Fourth Proportional to 88,039.08, 121,481.10 and 50,306.04

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Solution

The fourth proportional to 88,039.08, 121,481.10 and 50,306.04 is: 69,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.08 : 121,481.10 = 50,306.04 : x
  2. Step 2: Convert to fraction form
    88,039.08/121,481.10 = 50,306.04/x
  3. Step 3: Cross multiply
    88,039.08x = 121,481.10 × 50,306.04
  4. Step 4: Simplify right side
    88,039.08x = 6,111,233,075.84
  5. Step 5: Solve for x
    x = 6,111,233,075.84/88,039.08
  6. Step 6: Final answer
    x = 69,415.00

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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.