Home / 68,430.15-102,656.57-24,045.39

Finding the Fourth Proportional to 68,430.15, 102,656.57 and 24,045.39

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Solution

The fourth proportional to 68,430.15, 102,656.57 and 24,045.39 is: 36,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,430.15 : 102,656.57 = 24,045.39 : x
  2. Step 2: Convert to fraction form
    68,430.15/102,656.57 = 24,045.39/x
  3. Step 3: Cross multiply
    68,430.15x = 102,656.57 × 24,045.39
  4. Step 4: Simplify right side
    68,430.15x = 2,468,417,141.49
  5. Step 5: Solve for x
    x = 2,468,417,141.49/68,430.15
  6. Step 6: Final answer
    x = 36,072.07

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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.