Home / 107,030.24-147,689-61,723.04

Finding the Fourth Proportional to 107,030.24, 147,689 and 61,723.04

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Solution

The fourth proportional to 107,030.24, 147,689 and 61,723.04 is: 85,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.24 : 147,689 = 61,723.04 : x
  2. Step 2: Convert to fraction form
    107,030.24/147,689 = 61,723.04/x
  3. Step 3: Cross multiply
    107,030.24x = 147,689 × 61,723.04
  4. Step 4: Simplify right side
    107,030.24x = 9,115,814,054.56
  5. Step 5: Solve for x
    x = 9,115,814,054.56/107,030.24
  6. Step 6: Final answer
    x = 85,170.45

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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.