Home / 68,864.94-103,492.53-40,790.34

Finding the Fourth Proportional to 68,864.94, 103,492.53 and 40,790.34

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Solution

The fourth proportional to 68,864.94, 103,492.53 and 40,790.34 is: 61,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,864.94 : 103,492.53 = 40,790.34 : x
  2. Step 2: Convert to fraction form
    68,864.94/103,492.53 = 40,790.34/x
  3. Step 3: Cross multiply
    68,864.94x = 103,492.53 × 40,790.34
  4. Step 4: Simplify right side
    68,864.94x = 4,221,495,486.16
  5. Step 5: Solve for x
    x = 4,221,495,486.16/68,864.94
  6. Step 6: Final answer
    x = 61,301.08

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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.