Home / 112,310.66-154,994.99-61,328.14

Finding the Fourth Proportional to 112,310.66, 154,994.99 and 61,328.14

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Solution

The fourth proportional to 112,310.66, 154,994.99 and 61,328.14 is: 84,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.66 : 154,994.99 = 61,328.14 : x
  2. Step 2: Convert to fraction form
    112,310.66/154,994.99 = 61,328.14/x
  3. Step 3: Cross multiply
    112,310.66x = 154,994.99 × 61,328.14
  4. Step 4: Simplify right side
    112,310.66x = 9,505,553,751.89
  5. Step 5: Solve for x
    x = 9,505,553,751.89/112,310.66
  6. Step 6: Final answer
    x = 84,636.25

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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.