Home / 61,378.17-84,705.38-40,924.95

Finding the Fourth Proportional to 61,378.17, 84,705.38 and 40,924.95

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Solution

The fourth proportional to 61,378.17, 84,705.38 and 40,924.95 is: 56,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,378.17 : 84,705.38 = 40,924.95 : x
  2. Step 2: Convert to fraction form
    61,378.17/84,705.38 = 40,924.95/x
  3. Step 3: Cross multiply
    61,378.17x = 84,705.38 × 40,924.95
  4. Step 4: Simplify right side
    61,378.17x = 3,466,563,236.61
  5. Step 5: Solve for x
    x = 3,466,563,236.61/61,378.17
  6. Step 6: Final answer
    x = 56,478.76

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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.