Home / 98,830.44-148,158.90-51,345.54

Finding the Fourth Proportional to 98,830.44, 148,158.90 and 51,345.54

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Solution

The fourth proportional to 98,830.44, 148,158.90 and 51,345.54 is: 76,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.44 : 148,158.90 = 51,345.54 : x
  2. Step 2: Convert to fraction form
    98,830.44/148,158.90 = 51,345.54/x
  3. Step 3: Cross multiply
    98,830.44x = 148,158.90 × 51,345.54
  4. Step 4: Simplify right side
    98,830.44x = 7,607,298,726.31
  5. Step 5: Solve for x
    x = 7,607,298,726.31/98,830.44
  6. Step 6: Final answer
    x = 76,973.24

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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.