Home / 91,047.67-125,665.95-59,161.21

Finding the Fourth Proportional to 91,047.67, 125,665.95 and 59,161.21

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Solution

The fourth proportional to 91,047.67, 125,665.95 and 59,161.21 is: 81,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,047.67 : 125,665.95 = 59,161.21 : x
  2. Step 2: Convert to fraction form
    91,047.67/125,665.95 = 59,161.21/x
  3. Step 3: Cross multiply
    91,047.67x = 125,665.95 × 59,161.21
  4. Step 4: Simplify right side
    91,047.67x = 7,434,549,657.80
  5. Step 5: Solve for x
    x = 7,434,549,657.80/91,047.67
  6. Step 6: Final answer
    x = 81,655.57

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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.