Home / 107,312.42-148,092.88-58,918.81

Finding the Fourth Proportional to 107,312.42, 148,092.88 and 58,918.81

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Solution

The fourth proportional to 107,312.42, 148,092.88 and 58,918.81 is: 81,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,312.42 : 148,092.88 = 58,918.81 : x
  2. Step 2: Convert to fraction form
    107,312.42/148,092.88 = 58,918.81/x
  3. Step 3: Cross multiply
    107,312.42x = 148,092.88 × 58,918.81
  4. Step 4: Simplify right side
    107,312.42x = 8,725,455,964.48
  5. Step 5: Solve for x
    x = 8,725,455,964.48/107,312.42
  6. Step 6: Final answer
    x = 81,308.91

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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.