Home / 91,516.40-126,292.70-51,230.24

Finding the Fourth Proportional to 91,516.40, 126,292.70 and 51,230.24

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Solution

The fourth proportional to 91,516.40, 126,292.70 and 51,230.24 is: 70,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.40 : 126,292.70 = 51,230.24 : x
  2. Step 2: Convert to fraction form
    91,516.40/126,292.70 = 51,230.24/x
  3. Step 3: Cross multiply
    91,516.40x = 126,292.70 × 51,230.24
  4. Step 4: Simplify right side
    91,516.40x = 6,470,005,331.25
  5. Step 5: Solve for x
    x = 6,470,005,331.25/91,516.40
  6. Step 6: Final answer
    x = 70,697.77

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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.