Home / 77,334.47-106,716.51-45,497.22

Finding the Fourth Proportional to 77,334.47, 106,716.51 and 45,497.22

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Solution

The fourth proportional to 77,334.47, 106,716.51 and 45,497.22 is: 62,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.47 : 106,716.51 = 45,497.22 : x
  2. Step 2: Convert to fraction form
    77,334.47/106,716.51 = 45,497.22/x
  3. Step 3: Cross multiply
    77,334.47x = 106,716.51 × 45,497.22
  4. Step 4: Simplify right side
    77,334.47x = 4,855,304,533.10
  5. Step 5: Solve for x
    x = 4,855,304,533.10/77,334.47
  6. Step 6: Final answer
    x = 62,783.19

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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.