Home / 107,537.52-148,410.09-64,518.63

Finding the Fourth Proportional to 107,537.52, 148,410.09 and 64,518.63

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Solution

The fourth proportional to 107,537.52, 148,410.09 and 64,518.63 is: 89,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,537.52 : 148,410.09 = 64,518.63 : x
  2. Step 2: Convert to fraction form
    107,537.52/148,410.09 = 64,518.63/x
  3. Step 3: Cross multiply
    107,537.52x = 148,410.09 × 64,518.63
  4. Step 4: Simplify right side
    107,537.52x = 9,575,215,684.98
  5. Step 5: Solve for x
    x = 9,575,215,684.98/107,537.52
  6. Step 6: Final answer
    x = 89,040.70

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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.