Home / 111,721.04-154,175.92-60,733.76

Finding the Fourth Proportional to 111,721.04, 154,175.92 and 60,733.76

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Solution

The fourth proportional to 111,721.04, 154,175.92 and 60,733.76 is: 83,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,721.04 : 154,175.92 = 60,733.76 : x
  2. Step 2: Convert to fraction form
    111,721.04/154,175.92 = 60,733.76/x
  3. Step 3: Cross multiply
    111,721.04x = 154,175.92 × 60,733.76
  4. Step 4: Simplify right side
    111,721.04x = 9,363,683,323.06
  5. Step 5: Solve for x
    x = 9,363,683,323.06/111,721.04
  6. Step 6: Final answer
    x = 83,813.07

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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.