Home / 107,069.40-147,756.96-59,323.68

Finding the Fourth Proportional to 107,069.40, 147,756.96 and 59,323.68

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Solution

The fourth proportional to 107,069.40, 147,756.96 and 59,323.68 is: 81,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,069.40 : 147,756.96 = 59,323.68 : x
  2. Step 2: Convert to fraction form
    107,069.40/147,756.96 = 59,323.68/x
  3. Step 3: Cross multiply
    107,069.40x = 147,756.96 × 59,323.68
  4. Step 4: Simplify right side
    107,069.40x = 8,765,486,612.81
  5. Step 5: Solve for x
    x = 8,765,486,612.81/107,069.40
  6. Step 6: Final answer
    x = 81,867.34

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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.