Home / 91,047.80-125,666.09-59,161.34

Finding the Fourth Proportional to 91,047.80, 125,666.09 and 59,161.34

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Solution

The fourth proportional to 91,047.80, 125,666.09 and 59,161.34 is: 81,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.80 : 125,666.09 = 59,161.34 : x
  2. Step 2: Convert to fraction form
    91,047.80/125,666.09 = 59,161.34/x
  3. Step 3: Cross multiply
    91,047.80x = 125,666.09 × 59,161.34
  4. Step 4: Simplify right side
    91,047.80x = 7,434,573,352.82
  5. Step 5: Solve for x
    x = 7,434,573,352.82/91,047.80
  6. Step 6: Final answer
    x = 81,655.72

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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.