Home / 111,106.45-153,325.79-60,118.07

Finding the Fourth Proportional to 111,106.45, 153,325.79 and 60,118.07

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Solution

The fourth proportional to 111,106.45, 153,325.79 and 60,118.07 is: 82,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,106.45 : 153,325.79 = 60,118.07 : x
  2. Step 2: Convert to fraction form
    111,106.45/153,325.79 = 60,118.07/x
  3. Step 3: Cross multiply
    111,106.45x = 153,325.79 × 60,118.07
  4. Step 4: Simplify right side
    111,106.45x = 9,217,650,072.41
  5. Step 5: Solve for x
    x = 9,217,650,072.41/111,106.45
  6. Step 6: Final answer
    x = 82,962.33

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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.