Home / 91,200.20-125,861.14-53,477.32

Finding the Fourth Proportional to 91,200.20, 125,861.14 and 53,477.32

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Solution

The fourth proportional to 91,200.20, 125,861.14 and 53,477.32 is: 73,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,200.20 : 125,861.14 = 53,477.32 : x
  2. Step 2: Convert to fraction form
    91,200.20/125,861.14 = 53,477.32/x
  3. Step 3: Cross multiply
    91,200.20x = 125,861.14 × 53,477.32
  4. Step 4: Simplify right side
    91,200.20x = 6,730,716,459.34
  5. Step 5: Solve for x
    x = 6,730,716,459.34/91,200.20
  6. Step 6: Final answer
    x = 73,801.55

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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.