Home / 74,151.58-102,336.54-42,325.30

Finding the Fourth Proportional to 74,151.58, 102,336.54 and 42,325.30

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Solution

The fourth proportional to 74,151.58, 102,336.54 and 42,325.30 is: 58,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.58 : 102,336.54 = 42,325.30 : x
  2. Step 2: Convert to fraction form
    74,151.58/102,336.54 = 42,325.30/x
  3. Step 3: Cross multiply
    74,151.58x = 102,336.54 × 42,325.30
  4. Step 4: Simplify right side
    74,151.58x = 4,331,424,756.46
  5. Step 5: Solve for x
    x = 4,331,424,756.46/74,151.58
  6. Step 6: Final answer
    x = 58,413.11

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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.