Home / 88,306.02-121,907.44-68,117.58

Finding the Fourth Proportional to 88,306.02, 121,907.44 and 68,117.58

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Solution

The fourth proportional to 88,306.02, 121,907.44 and 68,117.58 is: 94,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,306.02 : 121,907.44 = 68,117.58 : x
  2. Step 2: Convert to fraction form
    88,306.02/121,907.44 = 68,117.58/x
  3. Step 3: Cross multiply
    88,306.02x = 121,907.44 × 68,117.58
  4. Step 4: Simplify right side
    88,306.02x = 8,304,039,796.80
  5. Step 5: Solve for x
    x = 8,304,039,796.80/88,306.02
  6. Step 6: Final answer
    x = 94,037.07

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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.