Home / 112,014.80-154,584.18-61,031.58

Finding the Fourth Proportional to 112,014.80, 154,584.18 and 61,031.58

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Solution

The fourth proportional to 112,014.80, 154,584.18 and 61,031.58 is: 84,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.80 : 154,584.18 = 61,031.58 : x
  2. Step 2: Convert to fraction form
    112,014.80/154,584.18 = 61,031.58/x
  3. Step 3: Cross multiply
    112,014.80x = 154,584.18 × 61,031.58
  4. Step 4: Simplify right side
    112,014.80x = 9,434,515,975.48
  5. Step 5: Solve for x
    x = 9,434,515,975.48/112,014.80
  6. Step 6: Final answer
    x = 84,225.62

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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.