Home / 99,590.19-137,385.77-59,291.07

Finding the Fourth Proportional to 99,590.19, 137,385.77 and 59,291.07

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Solution

The fourth proportional to 99,590.19, 137,385.77 and 59,291.07 is: 81,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,590.19 : 137,385.77 = 59,291.07 : x
  2. Step 2: Convert to fraction form
    99,590.19/137,385.77 = 59,291.07/x
  3. Step 3: Cross multiply
    99,590.19x = 137,385.77 × 59,291.07
  4. Step 4: Simplify right side
    99,590.19x = 8,145,749,009.62
  5. Step 5: Solve for x
    x = 8,145,749,009.62/99,590.19
  6. Step 6: Final answer
    x = 81,792.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.