Home / 52,104.04-78,086.94-42,980.20

Finding the Fourth Proportional to 52,104.04, 78,086.94 and 42,980.20

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Solution

The fourth proportional to 52,104.04, 78,086.94 and 42,980.20 is: 64,413.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,104.04 : 78,086.94 = 42,980.20 : x
  2. Step 2: Convert to fraction form
    52,104.04/78,086.94 = 42,980.20/x
  3. Step 3: Cross multiply
    52,104.04x = 78,086.94 × 42,980.20
  4. Step 4: Simplify right side
    52,104.04x = 3,356,192,298.59
  5. Step 5: Solve for x
    x = 3,356,192,298.59/52,104.04
  6. Step 6: Final answer
    x = 64,413.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.