Home / 55,857.86-77,084.22-30,364.23

Finding the Fourth Proportional to 55,857.86, 77,084.22 and 30,364.23

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Solution

The fourth proportional to 55,857.86, 77,084.22 and 30,364.23 is: 41,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.86 : 77,084.22 = 30,364.23 : x
  2. Step 2: Convert to fraction form
    55,857.86/77,084.22 = 30,364.23/x
  3. Step 3: Cross multiply
    55,857.86x = 77,084.22 × 30,364.23
  4. Step 4: Simplify right side
    55,857.86x = 2,340,602,985.45
  5. Step 5: Solve for x
    x = 2,340,602,985.45/55,857.86
  6. Step 6: Final answer
    x = 41,902.84

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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.