Home / 107,106.30-147,806.37-59,359.64

Finding the Fourth Proportional to 107,106.30, 147,806.37 and 59,359.64

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Solution

The fourth proportional to 107,106.30, 147,806.37 and 59,359.64 is: 81,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.30 : 147,806.37 = 59,359.64 : x
  2. Step 2: Convert to fraction form
    107,106.30/147,806.37 = 59,359.64/x
  3. Step 3: Cross multiply
    107,106.30x = 147,806.37 × 59,359.64
  4. Step 4: Simplify right side
    107,106.30x = 8,773,732,173.87
  5. Step 5: Solve for x
    x = 8,773,732,173.87/107,106.30
  6. Step 6: Final answer
    x = 81,916.12

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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.