Home / 107,555.87-148,430.93-59,161.47

Finding the Fourth Proportional to 107,555.87, 148,430.93 and 59,161.47

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Solution

The fourth proportional to 107,555.87, 148,430.93 and 59,161.47 is: 81,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.87 : 148,430.93 = 59,161.47 : x
  2. Step 2: Convert to fraction form
    107,555.87/148,430.93 = 59,161.47/x
  3. Step 3: Cross multiply
    107,555.87x = 148,430.93 × 59,161.47
  4. Step 4: Simplify right side
    107,555.87x = 8,781,391,716.46
  5. Step 5: Solve for x
    x = 8,781,391,716.46/107,555.87
  6. Step 6: Final answer
    x = 81,644.94

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1.5x scale

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.