Home / 91,200.32-125,757.24-59,310.08

Finding the Fourth Proportional to 91,200.32, 125,757.24 and 59,310.08

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Solution

The fourth proportional to 91,200.32, 125,757.24 and 59,310.08 is: 81,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,200.32 : 125,757.24 = 59,310.08 : x
  2. Step 2: Convert to fraction form
    91,200.32/125,757.24 = 59,310.08/x
  3. Step 3: Cross multiply
    91,200.32x = 125,757.24 × 59,310.08
  4. Step 4: Simplify right side
    91,200.32x = 7,458,671,336.19
  5. Step 5: Solve for x
    x = 7,458,671,336.19/91,200.32
  6. Step 6: Final answer
    x = 81,783.39

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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.