Home / 85,289.01-127,931.76-37,891.25

Finding the Fourth Proportional to 85,289.01, 127,931.76 and 37,891.25

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Solution

The fourth proportional to 85,289.01, 127,931.76 and 37,891.25 is: 56,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,289.01 : 127,931.76 = 37,891.25 : x
  2. Step 2: Convert to fraction form
    85,289.01/127,931.76 = 37,891.25/x
  3. Step 3: Cross multiply
    85,289.01x = 127,931.76 × 37,891.25
  4. Step 4: Simplify right side
    85,289.01x = 4,847,494,403.21
  5. Step 5: Solve for x
    x = 4,847,494,403.21/85,289.01
  6. Step 6: Final answer
    x = 56,836.10

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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.