Home / 85,018.39-127,483.63-25,039.06

Finding the Fourth Proportional to 85,018.39, 127,483.63 and 25,039.06

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Solution

The fourth proportional to 85,018.39, 127,483.63 and 25,039.06 is: 37,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,018.39 : 127,483.63 = 25,039.06 : x
  2. Step 2: Convert to fraction form
    85,018.39/127,483.63 = 25,039.06/x
  3. Step 3: Cross multiply
    85,018.39x = 127,483.63 × 25,039.06
  4. Step 4: Simplify right side
    85,018.39x = 3,192,070,260.59
  5. Step 5: Solve for x
    x = 3,192,070,260.59/85,018.39
  6. Step 6: Final answer
    x = 37,545.64

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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.