Home / 127,987.09-192,011.54-48,025.71

Finding the Fourth Proportional to 127,987.09, 192,011.54 and 48,025.71

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Solution

The fourth proportional to 127,987.09, 192,011.54 and 48,025.71 is: 72,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,987.09 : 192,011.54 = 48,025.71 : x
  2. Step 2: Convert to fraction form
    127,987.09/192,011.54 = 48,025.71/x
  3. Step 3: Cross multiply
    127,987.09x = 192,011.54 × 48,025.71
  4. Step 4: Simplify right side
    127,987.09x = 9,221,490,431.64
  5. Step 5: Solve for x
    x = 9,221,490,431.64/127,987.09
  6. Step 6: Final answer
    x = 72,050.16

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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.