Home / 112,269.45-154,931.74-61,968.33

Finding the Fourth Proportional to 112,269.45, 154,931.74 and 61,968.33

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Solution

The fourth proportional to 112,269.45, 154,931.74 and 61,968.33 is: 85,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.45 : 154,931.74 = 61,968.33 : x
  2. Step 2: Convert to fraction form
    112,269.45/154,931.74 = 61,968.33/x
  3. Step 3: Cross multiply
    112,269.45x = 154,931.74 × 61,968.33
  4. Step 4: Simplify right side
    112,269.45x = 9,600,861,191.79
  5. Step 5: Solve for x
    x = 9,600,861,191.79/112,269.45
  6. Step 6: Final answer
    x = 85,516.24

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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.