Home / 92,812.50-139,039.56-55,402.47

Finding the Fourth Proportional to 92,812.50, 139,039.56 and 55,402.47

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Solution

The fourth proportional to 92,812.50, 139,039.56 and 55,402.47 is: 82,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,812.50 : 139,039.56 = 55,402.47 : x
  2. Step 2: Convert to fraction form
    92,812.50/139,039.56 = 55,402.47/x
  3. Step 3: Cross multiply
    92,812.50x = 139,039.56 × 55,402.47
  4. Step 4: Simplify right side
    92,812.50x = 7,703,135,051.71
  5. Step 5: Solve for x
    x = 7,703,135,051.71/92,812.50
  6. Step 6: Final answer
    x = 82,996.74

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1.5x scale

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.