Home / 68,768.16-103,085.28-35,525.76

Finding the Fourth Proportional to 68,768.16, 103,085.28 and 35,525.76

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Solution

The fourth proportional to 68,768.16, 103,085.28 and 35,525.76 is: 53,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,768.16 : 103,085.28 = 35,525.76 : x
  2. Step 2: Convert to fraction form
    68,768.16/103,085.28 = 35,525.76/x
  3. Step 3: Cross multiply
    68,768.16x = 103,085.28 × 35,525.76
  4. Step 4: Simplify right side
    68,768.16x = 3,662,182,916.81
  5. Step 5: Solve for x
    x = 3,662,182,916.81/68,768.16
  6. Step 6: Final answer
    x = 53,254.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.