Home / 98,368.52-135,748.56-55,929.64

Finding the Fourth Proportional to 98,368.52, 135,748.56 and 55,929.64

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Solution

The fourth proportional to 98,368.52, 135,748.56 and 55,929.64 is: 77,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368.52 : 135,748.56 = 55,929.64 : x
  2. Step 2: Convert to fraction form
    98,368.52/135,748.56 = 55,929.64/x
  3. Step 3: Cross multiply
    98,368.52x = 135,748.56 × 55,929.64
  4. Step 4: Simplify right side
    98,368.52x = 7,592,368,091.32
  5. Step 5: Solve for x
    x = 7,592,368,091.32/98,368.52
  6. Step 6: Final answer
    x = 77,182.90

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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.