Home / 107,557.36-148,432.77-59,161.34

Finding the Fourth Proportional to 107,557.36, 148,432.77 and 59,161.34

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Solution

The fourth proportional to 107,557.36, 148,432.77 and 59,161.34 is: 81,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,557.36 : 148,432.77 = 59,161.34 : x
  2. Step 2: Convert to fraction form
    107,557.36/148,432.77 = 59,161.34/x
  3. Step 3: Cross multiply
    107,557.36x = 148,432.77 × 59,161.34
  4. Step 4: Simplify right side
    107,557.36x = 8,781,481,944.19
  5. Step 5: Solve for x
    x = 8,781,481,944.19/107,557.36
  6. Step 6: Final answer
    x = 81,644.64

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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.