Home / 75,111.96-103,624.20-43,263.84

Finding the Fourth Proportional to 75,111.96, 103,624.20 and 43,263.84

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Solution

The fourth proportional to 75,111.96, 103,624.20 and 43,263.84 is: 59,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.96 : 103,624.20 = 43,263.84 : x
  2. Step 2: Convert to fraction form
    75,111.96/103,624.20 = 43,263.84/x
  3. Step 3: Cross multiply
    75,111.96x = 103,624.20 × 43,263.84
  4. Step 4: Simplify right side
    75,111.96x = 4,483,180,808.93
  5. Step 5: Solve for x
    x = 4,483,180,808.93/75,111.96
  6. Step 6: Final answer
    x = 59,686.64

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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.