Home / 85,056.08-127,597.85-25,877.81

Finding the Fourth Proportional to 85,056.08, 127,597.85 and 25,877.81

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Solution

The fourth proportional to 85,056.08, 127,597.85 and 25,877.81 is: 38,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056.08 : 127,597.85 = 25,877.81 : x
  2. Step 2: Convert to fraction form
    85,056.08/127,597.85 = 25,877.81/x
  3. Step 3: Cross multiply
    85,056.08x = 127,597.85 × 25,877.81
  4. Step 4: Simplify right side
    85,056.08x = 3,301,953,205.36
  5. Step 5: Solve for x
    x = 3,301,953,205.36/85,056.08
  6. Step 6: Final answer
    x = 38,820.90

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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.