Home / 55,731.08-83,627.76-43,276.16

Finding the Fourth Proportional to 55,731.08, 83,627.76 and 43,276.16

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Solution

The fourth proportional to 55,731.08, 83,627.76 and 43,276.16 is: 64,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.08 : 83,627.76 = 43,276.16 : x
  2. Step 2: Convert to fraction form
    55,731.08/83,627.76 = 43,276.16/x
  3. Step 3: Cross multiply
    55,731.08x = 83,627.76 × 43,276.16
  4. Step 4: Simplify right side
    55,731.08x = 3,619,088,322.20
  5. Step 5: Solve for x
    x = 3,619,088,322.20/55,731.08
  6. Step 6: Final answer
    x = 64,938.42

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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.