Home / 67,929.23-101,840.49-42,916.64

Finding the Fourth Proportional to 67,929.23, 101,840.49 and 42,916.64

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Solution

The fourth proportional to 67,929.23, 101,840.49 and 42,916.64 is: 64,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.23 : 101,840.49 = 42,916.64 : x
  2. Step 2: Convert to fraction form
    67,929.23/101,840.49 = 42,916.64/x
  3. Step 3: Cross multiply
    67,929.23x = 101,840.49 × 42,916.64
  4. Step 4: Simplify right side
    67,929.23x = 4,370,651,137.55
  5. Step 5: Solve for x
    x = 4,370,651,137.55/67,929.23
  6. Step 6: Final answer
    x = 64,341.24

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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.