Home / 67,970.13-93,844.14-42,512.54

Finding the Fourth Proportional to 67,970.13, 93,844.14 and 42,512.54

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Solution

The fourth proportional to 67,970.13, 93,844.14 and 42,512.54 is: 58,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,970.13 : 93,844.14 = 42,512.54 : x
  2. Step 2: Convert to fraction form
    67,970.13/93,844.14 = 42,512.54/x
  3. Step 3: Cross multiply
    67,970.13x = 93,844.14 × 42,512.54
  4. Step 4: Simplify right side
    67,970.13x = 3,989,552,073.73
  5. Step 5: Solve for x
    x = 3,989,552,073.73/67,970.13
  6. Step 6: Final answer
    x = 58,695.67

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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.