Home / 55,973.56-77,243.42-30,823.08

Finding the Fourth Proportional to 55,973.56, 77,243.42 and 30,823.08

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Solution

The fourth proportional to 55,973.56, 77,243.42 and 30,823.08 is: 42,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.56 : 77,243.42 = 30,823.08 : x
  2. Step 2: Convert to fraction form
    55,973.56/77,243.42 = 30,823.08/x
  3. Step 3: Cross multiply
    55,973.56x = 77,243.42 × 30,823.08
  4. Step 4: Simplify right side
    55,973.56x = 2,380,880,114.13
  5. Step 5: Solve for x
    x = 2,380,880,114.13/55,973.56
  6. Step 6: Final answer
    x = 42,535.80

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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.