Home / 55,703.52-76,870.44-30,552.84

Finding the Fourth Proportional to 55,703.52, 76,870.44 and 30,552.84

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Solution

The fourth proportional to 55,703.52, 76,870.44 and 30,552.84 is: 42,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.52 : 76,870.44 = 30,552.84 : x
  2. Step 2: Convert to fraction form
    55,703.52/76,870.44 = 30,552.84/x
  3. Step 3: Cross multiply
    55,703.52x = 76,870.44 × 30,552.84
  4. Step 4: Simplify right side
    55,703.52x = 2,348,610,254.05
  5. Step 5: Solve for x
    x = 2,348,610,254.05/55,703.52
  6. Step 6: Final answer
    x = 42,162.69

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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.