Home / 98,878.02-148,279.77-35,681.28

Finding the Fourth Proportional to 98,878.02, 148,279.77 and 35,681.28

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Solution

The fourth proportional to 98,878.02, 148,279.77 and 35,681.28 is: 53,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,878.02 : 148,279.77 = 35,681.28 : x
  2. Step 2: Convert to fraction form
    98,878.02/148,279.77 = 35,681.28/x
  3. Step 3: Cross multiply
    98,878.02x = 148,279.77 × 35,681.28
  4. Step 4: Simplify right side
    98,878.02x = 5,290,811,991.71
  5. Step 5: Solve for x
    x = 5,290,811,991.71/98,878.02
  6. Step 6: Final answer
    x = 53,508.47

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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.