Home / 111,500.72-153,870.60-60,513.68

Finding the Fourth Proportional to 111,500.72, 153,870.60 and 60,513.68

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Solution

The fourth proportional to 111,500.72, 153,870.60 and 60,513.68 is: 83,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,500.72 : 153,870.60 = 60,513.68 : x
  2. Step 2: Convert to fraction form
    111,500.72/153,870.60 = 60,513.68/x
  3. Step 3: Cross multiply
    111,500.72x = 153,870.60 × 60,513.68
  4. Step 4: Simplify right side
    111,500.72x = 9,311,276,249.81
  5. Step 5: Solve for x
    x = 9,311,276,249.81/111,500.72
  6. Step 6: Final answer
    x = 83,508.66

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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.