Home / 157,021.55-235,344.74-57,064.71

Finding the Fourth Proportional to 157,021.55, 235,344.74 and 57,064.71

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Solution

The fourth proportional to 157,021.55, 235,344.74 and 57,064.71 is: 85,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,021.55 : 235,344.74 = 57,064.71 : x
  2. Step 2: Convert to fraction form
    157,021.55/235,344.74 = 57,064.71/x
  3. Step 3: Cross multiply
    157,021.55x = 235,344.74 × 57,064.71
  4. Step 4: Simplify right side
    157,021.55x = 13,429,879,052.80
  5. Step 5: Solve for x
    x = 13,429,879,052.80/157,021.55
  6. Step 6: Final answer
    x = 85,528.89

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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.