Home / 55,975.18-77,114.33-38,950.19

Finding the Fourth Proportional to 55,975.18, 77,114.33 and 38,950.19

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Solution

The fourth proportional to 55,975.18, 77,114.33 and 38,950.19 is: 53,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.18 : 77,114.33 = 38,950.19 : x
  2. Step 2: Convert to fraction form
    55,975.18/77,114.33 = 38,950.19/x
  3. Step 3: Cross multiply
    55,975.18x = 77,114.33 × 38,950.19
  4. Step 4: Simplify right side
    55,975.18x = 3,003,617,877.03
  5. Step 5: Solve for x
    x = 3,003,617,877.03/55,975.18
  6. Step 6: Final answer
    x = 53,659.82

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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.