Home / 107,319.63-148,101.67-67,056.75

Finding the Fourth Proportional to 107,319.63, 148,101.67 and 67,056.75

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Solution

The fourth proportional to 107,319.63, 148,101.67 and 67,056.75 is: 92,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.63 : 148,101.67 = 67,056.75 : x
  2. Step 2: Convert to fraction form
    107,319.63/148,101.67 = 67,056.75/x
  3. Step 3: Cross multiply
    107,319.63x = 148,101.67 × 67,056.75
  4. Step 4: Simplify right side
    107,319.63x = 9,931,216,659.77
  5. Step 5: Solve for x
    x = 9,931,216,659.77/107,319.63
  6. Step 6: Final answer
    x = 92,538.68

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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.