Home / 91,433.18-126,188.25-51,157.14

Finding the Fourth Proportional to 91,433.18, 126,188.25 and 51,157.14

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Solution

The fourth proportional to 91,433.18, 126,188.25 and 51,157.14 is: 70,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.18 : 126,188.25 = 51,157.14 : x
  2. Step 2: Convert to fraction form
    91,433.18/126,188.25 = 51,157.14/x
  3. Step 3: Cross multiply
    91,433.18x = 126,188.25 × 51,157.14
  4. Step 4: Simplify right side
    91,433.18x = 6,455,429,971.61
  5. Step 5: Solve for x
    x = 6,455,429,971.61/91,433.18
  6. Step 6: Final answer
    x = 70,602.71

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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.