Home / 89,071.04-122,920.03-50,829.83

Finding the Fourth Proportional to 89,071.04, 122,920.03 and 50,829.83

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Solution

The fourth proportional to 89,071.04, 122,920.03 and 50,829.83 is: 70,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.04 : 122,920.03 = 50,829.83 : x
  2. Step 2: Convert to fraction form
    89,071.04/122,920.03 = 50,829.83/x
  3. Step 3: Cross multiply
    89,071.04x = 122,920.03 × 50,829.83
  4. Step 4: Simplify right side
    89,071.04x = 6,248,004,228.49
  5. Step 5: Solve for x
    x = 6,248,004,228.49/89,071.04
  6. Step 6: Final answer
    x = 70,146.30

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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.