Home / 98,938.08-136,533.04-53,614.96

Finding the Fourth Proportional to 98,938.08, 136,533.04 and 53,614.96

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Solution

The fourth proportional to 98,938.08, 136,533.04 and 53,614.96 is: 73,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,938.08 : 136,533.04 = 53,614.96 : x
  2. Step 2: Convert to fraction form
    98,938.08/136,533.04 = 53,614.96/x
  3. Step 3: Cross multiply
    98,938.08x = 136,533.04 × 53,614.96
  4. Step 4: Simplify right side
    98,938.08x = 7,320,213,478.28
  5. Step 5: Solve for x
    x = 7,320,213,478.28/98,938.08
  6. Step 6: Final answer
    x = 73,987.83

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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.