Home / 70,516.24-105,802.02-31,045.66

Finding the Fourth Proportional to 70,516.24, 105,802.02 and 31,045.66

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Solution

The fourth proportional to 70,516.24, 105,802.02 and 31,045.66 is: 46,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.24 : 105,802.02 = 31,045.66 : x
  2. Step 2: Convert to fraction form
    70,516.24/105,802.02 = 31,045.66/x
  3. Step 3: Cross multiply
    70,516.24x = 105,802.02 × 31,045.66
  4. Step 4: Simplify right side
    70,516.24x = 3,284,693,540.23
  5. Step 5: Solve for x
    x = 3,284,693,540.23/70,516.24
  6. Step 6: Final answer
    x = 46,580.67

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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.