Home / 52,929.99-73,040.72-31,420.67

Finding the Fourth Proportional to 52,929.99, 73,040.72 and 31,420.67

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Solution

The fourth proportional to 52,929.99, 73,040.72 and 31,420.67 is: 43,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,929.99 : 73,040.72 = 31,420.67 : x
  2. Step 2: Convert to fraction form
    52,929.99/73,040.72 = 31,420.67/x
  3. Step 3: Cross multiply
    52,929.99x = 73,040.72 × 31,420.67
  4. Step 4: Simplify right side
    52,929.99x = 2,294,987,837.38
  5. Step 5: Solve for x
    x = 2,294,987,837.38/52,929.99
  6. Step 6: Final answer
    x = 43,358.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.