Home / 98,904.64-136,485.56-58,068.09

Finding the Fourth Proportional to 98,904.64, 136,485.56 and 58,068.09

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Solution

The fourth proportional to 98,904.64, 136,485.56 and 58,068.09 is: 80,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,904.64 : 136,485.56 = 58,068.09 : x
  2. Step 2: Convert to fraction form
    98,904.64/136,485.56 = 58,068.09/x
  3. Step 3: Cross multiply
    98,904.64x = 136,485.56 × 58,068.09
  4. Step 4: Simplify right side
    98,904.64x = 7,925,455,099.35
  5. Step 5: Solve for x
    x = 7,925,455,099.35/98,904.64
  6. Step 6: Final answer
    x = 80,132.29

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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.