Home / 104,899.64-157,127.52-84,823.04

Finding the Fourth Proportional to 104,899.64, 157,127.52 and 84,823.04

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Solution

The fourth proportional to 104,899.64, 157,127.52 and 84,823.04 is: 127,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,899.64 : 157,127.52 = 84,823.04 : x
  2. Step 2: Convert to fraction form
    104,899.64/157,127.52 = 84,823.04/x
  3. Step 3: Cross multiply
    104,899.64x = 157,127.52 × 84,823.04
  4. Step 4: Simplify right side
    104,899.64x = 13,328,033,914.06
  5. Step 5: Solve for x
    x = 13,328,033,914.06/104,899.64
  6. Step 6: Final answer
    x = 127,055.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.