Home / 88,746.37-133,095.31-31,809.66

Finding the Fourth Proportional to 88,746.37, 133,095.31 and 31,809.66

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Solution

The fourth proportional to 88,746.37, 133,095.31 and 31,809.66 is: 47,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,746.37 : 133,095.31 = 31,809.66 : x
  2. Step 2: Convert to fraction form
    88,746.37/133,095.31 = 31,809.66/x
  3. Step 3: Cross multiply
    88,746.37x = 133,095.31 × 31,809.66
  4. Step 4: Simplify right side
    88,746.37x = 4,233,716,579.10
  5. Step 5: Solve for x
    x = 4,233,716,579.10/88,746.37
  6. Step 6: Final answer
    x = 47,705.80

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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.