Home / 56,527.20-77,980.32-33,860.16

Finding the Fourth Proportional to 56,527.20, 77,980.32 and 33,860.16

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Solution

The fourth proportional to 56,527.20, 77,980.32 and 33,860.16 is: 46,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.20 : 77,980.32 = 33,860.16 : x
  2. Step 2: Convert to fraction form
    56,527.20/77,980.32 = 33,860.16/x
  3. Step 3: Cross multiply
    56,527.20x = 77,980.32 × 33,860.16
  4. Step 4: Simplify right side
    56,527.20x = 2,640,426,112.05
  5. Step 5: Solve for x
    x = 2,640,426,112.05/56,527.20
  6. Step 6: Final answer
    x = 46,710.72

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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.