Home / 55,775.25-76,971.67-30,624.75

Finding the Fourth Proportional to 55,775.25, 76,971.67 and 30,624.75

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Solution

The fourth proportional to 55,775.25, 76,971.67 and 30,624.75 is: 42,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.25 : 76,971.67 = 30,624.75 : x
  2. Step 2: Convert to fraction form
    55,775.25/76,971.67 = 30,624.75/x
  3. Step 3: Cross multiply
    55,775.25x = 76,971.67 × 30,624.75
  4. Step 4: Simplify right side
    55,775.25x = 2,357,238,074.27
  5. Step 5: Solve for x
    x = 2,357,238,074.27/55,775.25
  6. Step 6: Final answer
    x = 42,263.16

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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.