Home / 91,003.77-125,506.67-59,161.05

Finding the Fourth Proportional to 91,003.77, 125,506.67 and 59,161.05

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Solution

The fourth proportional to 91,003.77, 125,506.67 and 59,161.05 is: 81,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,003.77 : 125,506.67 = 59,161.05 : x
  2. Step 2: Convert to fraction form
    91,003.77/125,506.67 = 59,161.05/x
  3. Step 3: Cross multiply
    91,003.77x = 125,506.67 × 59,161.05
  4. Step 4: Simplify right side
    91,003.77x = 7,425,106,083.40
  5. Step 5: Solve for x
    x = 7,425,106,083.40/91,003.77
  6. Step 6: Final answer
    x = 81,591.19

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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.