Home / 123,802.11-185,678.55-60,595.07

Finding the Fourth Proportional to 123,802.11, 185,678.55 and 60,595.07

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Solution

The fourth proportional to 123,802.11, 185,678.55 and 60,595.07 is: 90,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,802.11 : 185,678.55 = 60,595.07 : x
  2. Step 2: Convert to fraction form
    123,802.11/185,678.55 = 60,595.07/x
  3. Step 3: Cross multiply
    123,802.11x = 185,678.55 × 60,595.07
  4. Step 4: Simplify right side
    123,802.11x = 11,251,203,806.36
  5. Step 5: Solve for x
    x = 11,251,203,806.36/123,802.11
  6. Step 6: Final answer
    x = 90,880.55

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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.