Home / 45,549.92-68,671.74-42,339.14

Finding the Fourth Proportional to 45,549.92, 68,671.74 and 42,339.14

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Solution

The fourth proportional to 45,549.92, 68,671.74 and 42,339.14 is: 63,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,549.92 : 68,671.74 = 42,339.14 : x
  2. Step 2: Convert to fraction form
    45,549.92/68,671.74 = 42,339.14/x
  3. Step 3: Cross multiply
    45,549.92x = 68,671.74 × 42,339.14
  4. Step 4: Simplify right side
    45,549.92x = 2,907,502,413.90
  5. Step 5: Solve for x
    x = 2,907,502,413.90/45,549.92
  6. Step 6: Final answer
    x = 63,831.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.