Home / 55,966.08-77,233.04-30,815.58

Finding the Fourth Proportional to 55,966.08, 77,233.04 and 30,815.58

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Solution

The fourth proportional to 55,966.08, 77,233.04 and 30,815.58 is: 42,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.08 : 77,233.04 = 30,815.58 : x
  2. Step 2: Convert to fraction form
    55,966.08/77,233.04 = 30,815.58/x
  3. Step 3: Cross multiply
    55,966.08x = 77,233.04 × 30,815.58
  4. Step 4: Simplify right side
    55,966.08x = 2,379,980,922.76
  5. Step 5: Solve for x
    x = 2,379,980,922.76/55,966.08
  6. Step 6: Final answer
    x = 42,525.42

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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.