Home / 98,869.36-148,200.88-48,918.28

Finding the Fourth Proportional to 98,869.36, 148,200.88 and 48,918.28

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Solution

The fourth proportional to 98,869.36, 148,200.88 and 48,918.28 is: 73,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.36 : 148,200.88 = 48,918.28 : x
  2. Step 2: Convert to fraction form
    98,869.36/148,200.88 = 48,918.28/x
  3. Step 3: Cross multiply
    98,869.36x = 148,200.88 × 48,918.28
  4. Step 4: Simplify right side
    98,869.36x = 7,249,732,144.09
  5. Step 5: Solve for x
    x = 7,249,732,144.09/98,869.36
  6. Step 6: Final answer
    x = 73,326.38

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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.