Home / 105,458.77-157,989.40-52,088.27

Finding the Fourth Proportional to 105,458.77, 157,989.40 and 52,088.27

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Solution

The fourth proportional to 105,458.77, 157,989.40 and 52,088.27 is: 78,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,458.77 : 157,989.40 = 52,088.27 : x
  2. Step 2: Convert to fraction form
    105,458.77/157,989.40 = 52,088.27/x
  3. Step 3: Cross multiply
    105,458.77x = 157,989.40 × 52,088.27
  4. Step 4: Simplify right side
    105,458.77x = 8,229,394,524.34
  5. Step 5: Solve for x
    x = 8,229,394,524.34/105,458.77
  6. Step 6: Final answer
    x = 78,034.24

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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.