Home / 89,712.52-123,802.69-49,425.36

Finding the Fourth Proportional to 89,712.52, 123,802.69 and 49,425.36

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Solution

The fourth proportional to 89,712.52, 123,802.69 and 49,425.36 is: 68,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.52 : 123,802.69 = 49,425.36 : x
  2. Step 2: Convert to fraction form
    89,712.52/123,802.69 = 49,425.36/x
  3. Step 3: Cross multiply
    89,712.52x = 123,802.69 × 49,425.36
  4. Step 4: Simplify right side
    89,712.52x = 6,118,992,522.22
  5. Step 5: Solve for x
    x = 6,118,992,522.22/89,712.52
  6. Step 6: Final answer
    x = 68,206.67

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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.