Home / 107,700.12-148,631.04-62,380.08

Finding the Fourth Proportional to 107,700.12, 148,631.04 and 62,380.08

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Solution

The fourth proportional to 107,700.12, 148,631.04 and 62,380.08 is: 86,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700.12 : 148,631.04 = 62,380.08 : x
  2. Step 2: Convert to fraction form
    107,700.12/148,631.04 = 62,380.08/x
  3. Step 3: Cross multiply
    107,700.12x = 148,631.04 × 62,380.08
  4. Step 4: Simplify right side
    107,700.12x = 9,271,616,165.68
  5. Step 5: Solve for x
    x = 9,271,616,165.68/107,700.12
  6. Step 6: Final answer
    x = 86,087.33

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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.