Home / 112,015.62-154,581.48-61,714.62

Finding the Fourth Proportional to 112,015.62, 154,581.48 and 61,714.62

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Solution

The fourth proportional to 112,015.62, 154,581.48 and 61,714.62 is: 85,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.62 : 154,581.48 = 61,714.62 : x
  2. Step 2: Convert to fraction form
    112,015.62/154,581.48 = 61,714.62/x
  3. Step 3: Cross multiply
    112,015.62x = 154,581.48 × 61,714.62
  4. Step 4: Simplify right side
    112,015.62x = 9,539,937,297.24
  5. Step 5: Solve for x
    x = 9,539,937,297.24/112,015.62
  6. Step 6: Final answer
    x = 85,166.13

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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.