Home / 91,818.40-137,533.20-60,325.60

Finding the Fourth Proportional to 91,818.40, 137,533.20 and 60,325.60

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Solution

The fourth proportional to 91,818.40, 137,533.20 and 60,325.60 is: 90,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.40 : 137,533.20 = 60,325.60 : x
  2. Step 2: Convert to fraction form
    91,818.40/137,533.20 = 60,325.60/x
  3. Step 3: Cross multiply
    91,818.40x = 137,533.20 × 60,325.60
  4. Step 4: Simplify right side
    91,818.40x = 8,296,772,809.92
  5. Step 5: Solve for x
    x = 8,296,772,809.92/91,818.40
  6. Step 6: Final answer
    x = 90,360.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.