Home / 112,041.36-154,613.15-62,981.48

Finding the Fourth Proportional to 112,041.36, 154,613.15 and 62,981.48

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Solution

The fourth proportional to 112,041.36, 154,613.15 and 62,981.48 is: 86,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.36 : 154,613.15 = 62,981.48 : x
  2. Step 2: Convert to fraction form
    112,041.36/154,613.15 = 62,981.48/x
  3. Step 3: Cross multiply
    112,041.36x = 154,613.15 × 62,981.48
  4. Step 4: Simplify right side
    112,041.36x = 9,737,764,625.71
  5. Step 5: Solve for x
    x = 9,737,764,625.71/112,041.36
  6. Step 6: Final answer
    x = 86,912.23

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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.