Home / 55,950.04-77,211.58-30,800.04

Finding the Fourth Proportional to 55,950.04, 77,211.58 and 30,800.04

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Solution

The fourth proportional to 55,950.04, 77,211.58 and 30,800.04 is: 42,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.04 : 77,211.58 = 30,800.04 : x
  2. Step 2: Convert to fraction form
    55,950.04/77,211.58 = 30,800.04/x
  3. Step 3: Cross multiply
    55,950.04x = 77,211.58 × 30,800.04
  4. Step 4: Simplify right side
    55,950.04x = 2,378,119,752.46
  5. Step 5: Solve for x
    x = 2,378,119,752.46/55,950.04
  6. Step 6: Final answer
    x = 42,504.34

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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.