Home / 85,145.64-127,586.70-58,504.36

Finding the Fourth Proportional to 85,145.64, 127,586.70 and 58,504.36

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Solution

The fourth proportional to 85,145.64, 127,586.70 and 58,504.36 is: 87,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,145.64 : 127,586.70 = 58,504.36 : x
  2. Step 2: Convert to fraction form
    85,145.64/127,586.70 = 58,504.36/x
  3. Step 3: Cross multiply
    85,145.64x = 127,586.70 × 58,504.36
  4. Step 4: Simplify right side
    85,145.64x = 7,464,378,228.01
  5. Step 5: Solve for x
    x = 7,464,378,228.01/85,145.64
  6. Step 6: Final answer
    x = 87,666.01

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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.