Home / 103,243.24-142,492.26-58,545.64

Finding the Fourth Proportional to 103,243.24, 142,492.26 and 58,545.64

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Solution

The fourth proportional to 103,243.24, 142,492.26 and 58,545.64 is: 80,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,243.24 : 142,492.26 = 58,545.64 : x
  2. Step 2: Convert to fraction form
    103,243.24/142,492.26 = 58,545.64/x
  3. Step 3: Cross multiply
    103,243.24x = 142,492.26 × 58,545.64
  4. Step 4: Simplify right side
    103,243.24x = 8,342,300,556.75
  5. Step 5: Solve for x
    x = 8,342,300,556.75/103,243.24
  6. Step 6: Final answer
    x = 80,802.39

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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.