Home / 68,085.36-93,956.45-37,870.04

Finding the Fourth Proportional to 68,085.36, 93,956.45 and 37,870.04

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Solution

The fourth proportional to 68,085.36, 93,956.45 and 37,870.04 is: 52,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,085.36 : 93,956.45 = 37,870.04 : x
  2. Step 2: Convert to fraction form
    68,085.36/93,956.45 = 37,870.04/x
  3. Step 3: Cross multiply
    68,085.36x = 93,956.45 × 37,870.04
  4. Step 4: Simplify right side
    68,085.36x = 3,558,133,860.63
  5. Step 5: Solve for x
    x = 3,558,133,860.63/68,085.36
  6. Step 6: Final answer
    x = 52,259.90

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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.