Home / 107,412.98-148,107.60-68,598.51

Finding the Fourth Proportional to 107,412.98, 148,107.60 and 68,598.51

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Solution

The fourth proportional to 107,412.98, 148,107.60 and 68,598.51 is: 94,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,412.98 : 148,107.60 = 68,598.51 : x
  2. Step 2: Convert to fraction form
    107,412.98/148,107.60 = 68,598.51/x
  3. Step 3: Cross multiply
    107,412.98x = 148,107.60 × 68,598.51
  4. Step 4: Simplify right side
    107,412.98x = 10,159,960,124.27
  5. Step 5: Solve for x
    x = 10,159,960,124.27/107,412.98
  6. Step 6: Final answer
    x = 94,587.83

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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.