Home / 55,686.08-76,844.76-30,535.04

Finding the Fourth Proportional to 55,686.08, 76,844.76 and 30,535.04

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Solution

The fourth proportional to 55,686.08, 76,844.76 and 30,535.04 is: 42,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.08 : 76,844.76 = 30,535.04 : x
  2. Step 2: Convert to fraction form
    55,686.08/76,844.76 = 30,535.04/x
  3. Step 3: Cross multiply
    55,686.08x = 76,844.76 × 30,535.04
  4. Step 4: Simplify right side
    55,686.08x = 2,346,457,820.39
  5. Step 5: Solve for x
    x = 2,346,457,820.39/55,686.08
  6. Step 6: Final answer
    x = 42,137.24

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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.