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Finding the Fourth Proportional to 68,700.88, 103,051.56 and 24,328.16

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Solution

The fourth proportional to 68,700.88, 103,051.56 and 24,328.16 is: 36,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,700.88 : 103,051.56 = 24,328.16 : x
  2. Step 2: Convert to fraction form
    68,700.88/103,051.56 = 24,328.16/x
  3. Step 3: Cross multiply
    68,700.88x = 103,051.56 × 24,328.16
  4. Step 4: Simplify right side
    68,700.88x = 2,507,054,839.93
  5. Step 5: Solve for x
    x = 2,507,054,839.93/68,700.88
  6. Step 6: Final answer
    x = 36,492.32

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1.5x scale

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.