Home / 107,322.26-148,118.36-64,880.69

Finding the Fourth Proportional to 107,322.26, 148,118.36 and 64,880.69

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Solution

The fourth proportional to 107,322.26, 148,118.36 and 64,880.69 is: 89,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,322.26 : 148,118.36 = 64,880.69 : x
  2. Step 2: Convert to fraction form
    107,322.26/148,118.36 = 64,880.69/x
  3. Step 3: Cross multiply
    107,322.26x = 148,118.36 × 64,880.69
  4. Step 4: Simplify right side
    107,322.26x = 9,610,020,333.47
  5. Step 5: Solve for x
    x = 9,610,020,333.47/107,322.26
  6. Step 6: Final answer
    x = 89,543.59

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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.