Home / 99,063.60-136,681.32-58,743.84

Finding the Fourth Proportional to 99,063.60, 136,681.32 and 58,743.84

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Solution

The fourth proportional to 99,063.60, 136,681.32 and 58,743.84 is: 81,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,063.60 : 136,681.32 = 58,743.84 : x
  2. Step 2: Convert to fraction form
    99,063.60/136,681.32 = 58,743.84/x
  3. Step 3: Cross multiply
    99,063.60x = 136,681.32 × 58,743.84
  4. Step 4: Simplify right side
    99,063.60x = 8,029,185,593.07
  5. Step 5: Solve for x
    x = 8,029,185,593.07/99,063.60
  6. Step 6: Final answer
    x = 81,050.82

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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.