Home / 157,057.32-235,588.47-38,728.69

Finding the Fourth Proportional to 157,057.32, 235,588.47 and 38,728.69

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Solution

The fourth proportional to 157,057.32, 235,588.47 and 38,728.69 is: 58,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,057.32 : 235,588.47 = 38,728.69 : x
  2. Step 2: Convert to fraction form
    157,057.32/235,588.47 = 38,728.69/x
  3. Step 3: Cross multiply
    157,057.32x = 235,588.47 × 38,728.69
  4. Step 4: Simplify right side
    157,057.32x = 9,124,032,822.20
  5. Step 5: Solve for x
    x = 9,124,032,822.20/157,057.32
  6. Step 6: Final answer
    x = 58,093.65

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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.