Home / 111,521.32-153,899.78-60,534.09

Finding the Fourth Proportional to 111,521.32, 153,899.78 and 60,534.09

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Solution

The fourth proportional to 111,521.32, 153,899.78 and 60,534.09 is: 83,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,521.32 : 153,899.78 = 60,534.09 : x
  2. Step 2: Convert to fraction form
    111,521.32/153,899.78 = 60,534.09/x
  3. Step 3: Cross multiply
    111,521.32x = 153,899.78 × 60,534.09
  4. Step 4: Simplify right side
    111,521.32x = 9,316,183,133.50
  5. Step 5: Solve for x
    x = 9,316,183,133.50/111,521.32
  6. Step 6: Final answer
    x = 83,537.24

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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.