Home / 99,021.60-148,647.60-59,623.20

Finding the Fourth Proportional to 99,021.60, 148,647.60 and 59,623.20

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Solution

The fourth proportional to 99,021.60, 148,647.60 and 59,623.20 is: 89,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,021.60 : 148,647.60 = 59,623.20 : x
  2. Step 2: Convert to fraction form
    99,021.60/148,647.60 = 59,623.20/x
  3. Step 3: Cross multiply
    99,021.60x = 148,647.60 × 59,623.20
  4. Step 4: Simplify right side
    99,021.60x = 8,862,845,584.32
  5. Step 5: Solve for x
    x = 8,862,845,584.32/99,021.60
  6. Step 6: Final answer
    x = 89,504.16

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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.