Home / 107,212.19-147,970.53-59,480.91

Finding the Fourth Proportional to 107,212.19, 147,970.53 and 59,480.91

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Solution

The fourth proportional to 107,212.19, 147,970.53 and 59,480.91 is: 82,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,212.19 : 147,970.53 = 59,480.91 : x
  2. Step 2: Convert to fraction form
    107,212.19/147,970.53 = 59,480.91/x
  3. Step 3: Cross multiply
    107,212.19x = 147,970.53 × 59,480.91
  4. Step 4: Simplify right side
    107,212.19x = 8,801,421,777.58
  5. Step 5: Solve for x
    x = 8,801,421,777.58/107,212.19
  6. Step 6: Final answer
    x = 82,093.48

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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.