Home / 55,653.04-76,800.36-30,502.56

Finding the Fourth Proportional to 55,653.04, 76,800.36 and 30,502.56

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Solution

The fourth proportional to 55,653.04, 76,800.36 and 30,502.56 is: 42,093.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.04 : 76,800.36 = 30,502.56 : x
  2. Step 2: Convert to fraction form
    55,653.04/76,800.36 = 30,502.56/x
  3. Step 3: Cross multiply
    55,653.04x = 76,800.36 × 30,502.56
  4. Step 4: Simplify right side
    55,653.04x = 2,342,607,588.92
  5. Step 5: Solve for x
    x = 2,342,607,588.92/55,653.04
  6. Step 6: Final answer
    x = 42,093.08

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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.