Home / 99,055.48-136,663.32-56,583.94

Finding the Fourth Proportional to 99,055.48, 136,663.32 and 56,583.94

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Solution

The fourth proportional to 99,055.48, 136,663.32 and 56,583.94 is: 78,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.48 : 136,663.32 = 56,583.94 : x
  2. Step 2: Convert to fraction form
    99,055.48/136,663.32 = 56,583.94/x
  3. Step 3: Cross multiply
    99,055.48x = 136,663.32 × 56,583.94
  4. Step 4: Simplify right side
    99,055.48x = 7,732,949,099.08
  5. Step 5: Solve for x
    x = 7,732,949,099.08/99,055.48
  6. Step 6: Final answer
    x = 78,066.85

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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.