Home / 112,305-154,982.04-62,005.08

Finding the Fourth Proportional to 112,305, 154,982.04 and 62,005.08

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Solution

The fourth proportional to 112,305, 154,982.04 and 62,005.08 is: 85,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,305 : 154,982.04 = 62,005.08 : x
  2. Step 2: Convert to fraction form
    112,305/154,982.04 = 62,005.08/x
  3. Step 3: Cross multiply
    112,305x = 154,982.04 × 62,005.08
  4. Step 4: Simplify right side
    112,305x = 9,609,673,788.76
  5. Step 5: Solve for x
    x = 9,609,673,788.76/112,305
  6. Step 6: Final answer
    x = 85,567.64

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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.