Home / 107,023.42-147,693.41-64,573.75

Finding the Fourth Proportional to 107,023.42, 147,693.41 and 64,573.75

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Solution

The fourth proportional to 107,023.42, 147,693.41 and 64,573.75 is: 89,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.42 : 147,693.41 = 64,573.75 : x
  2. Step 2: Convert to fraction form
    107,023.42/147,693.41 = 64,573.75/x
  3. Step 3: Cross multiply
    107,023.42x = 147,693.41 × 64,573.75
  4. Step 4: Simplify right side
    107,023.42x = 9,537,117,333.99
  5. Step 5: Solve for x
    x = 9,537,117,333.99/107,023.42
  6. Step 6: Final answer
    x = 89,112.43

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1.5x scale

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.