Home / 111,508.48-153,880.38-60,521.29

Finding the Fourth Proportional to 111,508.48, 153,880.38 and 60,521.29

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Solution

The fourth proportional to 111,508.48, 153,880.38 and 60,521.29 is: 83,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.48 : 153,880.38 = 60,521.29 : x
  2. Step 2: Convert to fraction form
    111,508.48/153,880.38 = 60,521.29/x
  3. Step 3: Cross multiply
    111,508.48x = 153,880.38 × 60,521.29
  4. Step 4: Simplify right side
    111,508.48x = 9,313,039,103.29
  5. Step 5: Solve for x
    x = 9,313,039,103.29/111,508.48
  6. Step 6: Final answer
    x = 83,518.66

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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.