Home / 68,840.46-94,994.01-38,621.70

Finding the Fourth Proportional to 68,840.46, 94,994.01 and 38,621.70

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Solution

The fourth proportional to 68,840.46, 94,994.01 and 38,621.70 is: 53,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,840.46 : 94,994.01 = 38,621.70 : x
  2. Step 2: Convert to fraction form
    68,840.46/94,994.01 = 38,621.70/x
  3. Step 3: Cross multiply
    68,840.46x = 94,994.01 × 38,621.70
  4. Step 4: Simplify right side
    68,840.46x = 3,668,830,156.02
  5. Step 5: Solve for x
    x = 3,668,830,156.02/68,840.46
  6. Step 6: Final answer
    x = 53,294.68

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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.