Home / 107,288.63-148,048.53-63,673.66

Finding the Fourth Proportional to 107,288.63, 148,048.53 and 63,673.66

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Solution

The fourth proportional to 107,288.63, 148,048.53 and 63,673.66 is: 87,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,288.63 : 148,048.53 = 63,673.66 : x
  2. Step 2: Convert to fraction form
    107,288.63/148,048.53 = 63,673.66/x
  3. Step 3: Cross multiply
    107,288.63x = 148,048.53 × 63,673.66
  4. Step 4: Simplify right side
    107,288.63x = 9,426,791,762.72
  5. Step 5: Solve for x
    x = 9,426,791,762.72/107,288.63
  6. Step 6: Final answer
    x = 87,863.85

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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.