Home / 111,509.25-153,882.84-60,521.98

Finding the Fourth Proportional to 111,509.25, 153,882.84 and 60,521.98

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Solution

The fourth proportional to 111,509.25, 153,882.84 and 60,521.98 is: 83,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,509.25 : 153,882.84 = 60,521.98 : x
  2. Step 2: Convert to fraction form
    111,509.25/153,882.84 = 60,521.98/x
  3. Step 3: Cross multiply
    111,509.25x = 153,882.84 × 60,521.98
  4. Step 4: Simplify right side
    111,509.25x = 9,313,293,477.51
  5. Step 5: Solve for x
    x = 9,313,293,477.51/111,509.25
  6. Step 6: Final answer
    x = 83,520.37

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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.