Home / 48,762.96-73,129.32-19,172.76

Finding the Fourth Proportional to 48,762.96, 73,129.32 and 19,172.76

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Solution

The fourth proportional to 48,762.96, 73,129.32 and 19,172.76 is: 28,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,762.96 : 73,129.32 = 19,172.76 : x
  2. Step 2: Convert to fraction form
    48,762.96/73,129.32 = 19,172.76/x
  3. Step 3: Cross multiply
    48,762.96x = 73,129.32 × 19,172.76
  4. Step 4: Simplify right side
    48,762.96x = 1,402,090,901.32
  5. Step 5: Solve for x
    x = 1,402,090,901.32/48,762.96
  6. Step 6: Final answer
    x = 28,753.20

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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.