Home / 107,809.68-148,777.48-62,496.40

Finding the Fourth Proportional to 107,809.68, 148,777.48 and 62,496.40

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Solution

The fourth proportional to 107,809.68, 148,777.48 and 62,496.40 is: 86,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.68 : 148,777.48 = 62,496.40 : x
  2. Step 2: Convert to fraction form
    107,809.68/148,777.48 = 62,496.40/x
  3. Step 3: Cross multiply
    107,809.68x = 148,777.48 × 62,496.40
  4. Step 4: Simplify right side
    107,809.68x = 9,298,056,901.07
  5. Step 5: Solve for x
    x = 9,298,056,901.07/107,809.68
  6. Step 6: Final answer
    x = 86,245.10

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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.