Home / 85,744.07-128,653.01-41,404.01

Finding the Fourth Proportional to 85,744.07, 128,653.01 and 41,404.01

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Solution

The fourth proportional to 85,744.07, 128,653.01 and 41,404.01 is: 62,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,744.07 : 128,653.01 = 41,404.01 : x
  2. Step 2: Convert to fraction form
    85,744.07/128,653.01 = 41,404.01/x
  3. Step 3: Cross multiply
    85,744.07x = 128,653.01 × 41,404.01
  4. Step 4: Simplify right side
    85,744.07x = 5,326,750,541.22
  5. Step 5: Solve for x
    x = 5,326,750,541.22/85,744.07
  6. Step 6: Final answer
    x = 62,123.84

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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.