Home / 107,555.93-148,430.79-59,161.59

Finding the Fourth Proportional to 107,555.93, 148,430.79 and 59,161.59

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Solution

The fourth proportional to 107,555.93, 148,430.79 and 59,161.59 is: 81,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.93 : 148,430.79 = 59,161.59 : x
  2. Step 2: Convert to fraction form
    107,555.93/148,430.79 = 59,161.59/x
  3. Step 3: Cross multiply
    107,555.93x = 148,430.79 × 59,161.59
  4. Step 4: Simplify right side
    107,555.93x = 8,781,401,541.36
  5. Step 5: Solve for x
    x = 8,781,401,541.36/107,555.93
  6. Step 6: Final answer
    x = 81,644.98

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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.