Home / 112,019.10-154,585.50-61,031.68

Finding the Fourth Proportional to 112,019.10, 154,585.50 and 61,031.68

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Solution

The fourth proportional to 112,019.10, 154,585.50 and 61,031.68 is: 84,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,019.10 : 154,585.50 = 61,031.68 : x
  2. Step 2: Convert to fraction form
    112,019.10/154,585.50 = 61,031.68/x
  3. Step 3: Cross multiply
    112,019.10x = 154,585.50 × 61,031.68
  4. Step 4: Simplify right side
    112,019.10x = 9,434,612,611.05
  5. Step 5: Solve for x
    x = 9,434,612,611.05/112,019.10
  6. Step 6: Final answer
    x = 84,223.25

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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.