Home / 56,501.94-77,987.01-38,604.18

Finding the Fourth Proportional to 56,501.94, 77,987.01 and 38,604.18

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Solution

The fourth proportional to 56,501.94, 77,987.01 and 38,604.18 is: 53,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.94 : 77,987.01 = 38,604.18 : x
  2. Step 2: Convert to fraction form
    56,501.94/77,987.01 = 38,604.18/x
  3. Step 3: Cross multiply
    56,501.94x = 77,987.01 × 38,604.18
  4. Step 4: Simplify right side
    56,501.94x = 3,010,624,571.70
  5. Step 5: Solve for x
    x = 3,010,624,571.70/56,501.94
  6. Step 6: Final answer
    x = 53,283.56

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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.