Home / 125,967.02-173,826.51-69,378.39

Finding the Fourth Proportional to 125,967.02, 173,826.51 and 69,378.39

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Solution

The fourth proportional to 125,967.02, 173,826.51 and 69,378.39 is: 95,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,967.02 : 173,826.51 = 69,378.39 : x
  2. Step 2: Convert to fraction form
    125,967.02/173,826.51 = 69,378.39/x
  3. Step 3: Cross multiply
    125,967.02x = 173,826.51 × 69,378.39
  4. Step 4: Simplify right side
    125,967.02x = 12,059,803,142.95
  5. Step 5: Solve for x
    x = 12,059,803,142.95/125,967.02
  6. Step 6: Final answer
    x = 95,737.79

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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.