Home / 98,008.76-146,925.66-45,345.80

Finding the Fourth Proportional to 98,008.76, 146,925.66 and 45,345.80

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Solution

The fourth proportional to 98,008.76, 146,925.66 and 45,345.80 is: 67,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.76 : 146,925.66 = 45,345.80 : x
  2. Step 2: Convert to fraction form
    98,008.76/146,925.66 = 45,345.80/x
  3. Step 3: Cross multiply
    98,008.76x = 146,925.66 × 45,345.80
  4. Step 4: Simplify right side
    98,008.76x = 6,662,461,593.23
  5. Step 5: Solve for x
    x = 6,662,461,593.23/98,008.76
  6. Step 6: Final answer
    x = 67,978.23

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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.