Home / 76,948.34-106,194.05-42,963.50

Finding the Fourth Proportional to 76,948.34, 106,194.05 and 42,963.50

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Solution

The fourth proportional to 76,948.34, 106,194.05 and 42,963.50 is: 59,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.34 : 106,194.05 = 42,963.50 : x
  2. Step 2: Convert to fraction form
    76,948.34/106,194.05 = 42,963.50/x
  3. Step 3: Cross multiply
    76,948.34x = 106,194.05 × 42,963.50
  4. Step 4: Simplify right side
    76,948.34x = 4,562,468,278.96
  5. Step 5: Solve for x
    x = 4,562,468,278.96/76,948.34
  6. Step 6: Final answer
    x = 59,292.62

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1.5x scale

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.