Home / 91,123.86-125,750.98-50,837.62

Finding the Fourth Proportional to 91,123.86, 125,750.98 and 50,837.62

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Solution

The fourth proportional to 91,123.86, 125,750.98 and 50,837.62 is: 70,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,123.86 : 125,750.98 = 50,837.62 : x
  2. Step 2: Convert to fraction form
    91,123.86/125,750.98 = 50,837.62/x
  3. Step 3: Cross multiply
    91,123.86x = 125,750.98 × 50,837.62
  4. Step 4: Simplify right side
    91,123.86x = 6,392,880,535.87
  5. Step 5: Solve for x
    x = 6,392,880,535.87/91,123.86
  6. Step 6: Final answer
    x = 70,155.95

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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.