Home / 85,098.36-127,666.50-25,938.63

Finding the Fourth Proportional to 85,098.36, 127,666.50 and 25,938.63

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Solution

The fourth proportional to 85,098.36, 127,666.50 and 25,938.63 is: 38,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.36 : 127,666.50 = 25,938.63 : x
  2. Step 2: Convert to fraction form
    85,098.36/127,666.50 = 25,938.63/x
  3. Step 3: Cross multiply
    85,098.36x = 127,666.50 × 25,938.63
  4. Step 4: Simplify right side
    85,098.36x = 3,311,494,106.90
  5. Step 5: Solve for x
    x = 3,311,494,106.90/85,098.36
  6. Step 6: Final answer
    x = 38,913.72

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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.