Home / 111,924.64-154,457.04-61,625.44

Finding the Fourth Proportional to 111,924.64, 154,457.04 and 61,625.44

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Solution

The fourth proportional to 111,924.64, 154,457.04 and 61,625.44 is: 85,043.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,924.64 : 154,457.04 = 61,625.44 : x
  2. Step 2: Convert to fraction form
    111,924.64/154,457.04 = 61,625.44/x
  3. Step 3: Cross multiply
    111,924.64x = 154,457.04 × 61,625.44
  4. Step 4: Simplify right side
    111,924.64x = 9,518,483,051.10
  5. Step 5: Solve for x
    x = 9,518,483,051.10/111,924.64
  6. Step 6: Final answer
    x = 85,043.68

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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.