Home / 157,057.32-235,588.48-38,728.70

Finding the Fourth Proportional to 157,057.32, 235,588.48 and 38,728.70

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Solution

The fourth proportional to 157,057.32, 235,588.48 and 38,728.70 is: 58,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,057.32 : 235,588.48 = 38,728.70 : x
  2. Step 2: Convert to fraction form
    157,057.32/235,588.48 = 38,728.70/x
  3. Step 3: Cross multiply
    157,057.32x = 235,588.48 × 38,728.70
  4. Step 4: Simplify right side
    157,057.32x = 9,124,035,565.38
  5. Step 5: Solve for x
    x = 9,124,035,565.38/157,057.32
  6. Step 6: Final answer
    x = 58,093.67

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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.