Home / 43,106.68-64,660.02-11,941.12

Finding the Fourth Proportional to 43,106.68, 64,660.02 and 11,941.12

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Solution

The fourth proportional to 43,106.68, 64,660.02 and 11,941.12 is: 17,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.68 : 64,660.02 = 11,941.12 : x
  2. Step 2: Convert to fraction form
    43,106.68/64,660.02 = 11,941.12/x
  3. Step 3: Cross multiply
    43,106.68x = 64,660.02 × 11,941.12
  4. Step 4: Simplify right side
    43,106.68x = 772,113,058.02
  5. Step 5: Solve for x
    x = 772,113,058.02/43,106.68
  6. Step 6: Final answer
    x = 17,911.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.