Home / 111,079.09-153,288.51-60,091.67

Finding the Fourth Proportional to 111,079.09, 153,288.51 and 60,091.67

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Solution

The fourth proportional to 111,079.09, 153,288.51 and 60,091.67 is: 82,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,079.09 : 153,288.51 = 60,091.67 : x
  2. Step 2: Convert to fraction form
    111,079.09/153,288.51 = 60,091.67/x
  3. Step 3: Cross multiply
    111,079.09x = 153,288.51 × 60,091.67
  4. Step 4: Simplify right side
    111,079.09x = 9,211,362,557.71
  5. Step 5: Solve for x
    x = 9,211,362,557.71/111,079.09
  6. Step 6: Final answer
    x = 82,926.16

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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.