Home / 68,980.02-95,226.87-45,143.10

Finding the Fourth Proportional to 68,980.02, 95,226.87 and 45,143.10

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Solution

The fourth proportional to 68,980.02, 95,226.87 and 45,143.10 is: 62,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,980.02 : 95,226.87 = 45,143.10 : x
  2. Step 2: Convert to fraction form
    68,980.02/95,226.87 = 45,143.10/x
  3. Step 3: Cross multiply
    68,980.02x = 95,226.87 × 45,143.10
  4. Step 4: Simplify right side
    68,980.02x = 4,298,835,413.25
  5. Step 5: Solve for x
    x = 4,298,835,413.25/68,980.02
  6. Step 6: Final answer
    x = 62,320.01

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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.