Home / 74,492.19-102,797.73-40,501.35

Finding the Fourth Proportional to 74,492.19, 102,797.73 and 40,501.35

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Solution

The fourth proportional to 74,492.19, 102,797.73 and 40,501.35 is: 55,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,492.19 : 102,797.73 = 40,501.35 : x
  2. Step 2: Convert to fraction form
    74,492.19/102,797.73 = 40,501.35/x
  3. Step 3: Cross multiply
    74,492.19x = 102,797.73 × 40,501.35
  4. Step 4: Simplify right side
    74,492.19x = 4,163,446,841.94
  5. Step 5: Solve for x
    x = 4,163,446,841.94/74,492.19
  6. Step 6: Final answer
    x = 55,891.05

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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.