Home / 107,009.26-147,703.18-64,570.54

Finding the Fourth Proportional to 107,009.26, 147,703.18 and 64,570.54

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Solution

The fourth proportional to 107,009.26, 147,703.18 and 64,570.54 is: 89,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,009.26 : 147,703.18 = 64,570.54 : x
  2. Step 2: Convert to fraction form
    107,009.26/147,703.18 = 64,570.54/x
  3. Step 3: Cross multiply
    107,009.26x = 147,703.18 × 64,570.54
  4. Step 4: Simplify right side
    107,009.26x = 9,537,274,092.32
  5. Step 5: Solve for x
    x = 9,537,274,092.32/107,009.26
  6. Step 6: Final answer
    x = 89,125.69

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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.