Home / 84,771.41-127,158.32-25,607.59

Finding the Fourth Proportional to 84,771.41, 127,158.32 and 25,607.59

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Solution

The fourth proportional to 84,771.41, 127,158.32 and 25,607.59 is: 38,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,771.41 : 127,158.32 = 25,607.59 : x
  2. Step 2: Convert to fraction form
    84,771.41/127,158.32 = 25,607.59/x
  3. Step 3: Cross multiply
    84,771.41x = 127,158.32 × 25,607.59
  4. Step 4: Simplify right side
    84,771.41x = 3,256,217,869.77
  5. Step 5: Solve for x
    x = 3,256,217,869.77/84,771.41
  6. Step 6: Final answer
    x = 38,411.75

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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.