Home / 99,409.64-137,184.24-59,122.52

Finding the Fourth Proportional to 99,409.64, 137,184.24 and 59,122.52

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Solution

The fourth proportional to 99,409.64, 137,184.24 and 59,122.52 is: 81,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409.64 : 137,184.24 = 59,122.52 : x
  2. Step 2: Convert to fraction form
    99,409.64/137,184.24 = 59,122.52/x
  3. Step 3: Cross multiply
    99,409.64x = 137,184.24 × 59,122.52
  4. Step 4: Simplify right side
    99,409.64x = 8,110,677,973.08
  5. Step 5: Solve for x
    x = 8,110,677,973.08/99,409.64
  6. Step 6: Final answer
    x = 81,588.45

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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.