Home / 112,318.50-154,999.56-62,020.74

Finding the Fourth Proportional to 112,318.50, 154,999.56 and 62,020.74

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Solution

The fourth proportional to 112,318.50, 154,999.56 and 62,020.74 is: 85,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,318.50 : 154,999.56 = 62,020.74 : x
  2. Step 2: Convert to fraction form
    112,318.50/154,999.56 = 62,020.74/x
  3. Step 3: Cross multiply
    112,318.50x = 154,999.56 × 62,020.74
  4. Step 4: Simplify right side
    112,318.50x = 9,613,187,410.87
  5. Step 5: Solve for x
    x = 9,613,187,410.87/112,318.50
  6. Step 6: Final answer
    x = 85,588.64

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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.