Home / 75,278.94-103,876.47-46,585.50

Finding the Fourth Proportional to 75,278.94, 103,876.47 and 46,585.50

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Solution

The fourth proportional to 75,278.94, 103,876.47 and 46,585.50 is: 64,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.94 : 103,876.47 = 46,585.50 : x
  2. Step 2: Convert to fraction form
    75,278.94/103,876.47 = 46,585.50/x
  3. Step 3: Cross multiply
    75,278.94x = 103,876.47 × 46,585.50
  4. Step 4: Simplify right side
    75,278.94x = 4,839,137,293.19
  5. Step 5: Solve for x
    x = 4,839,137,293.19/75,278.94
  6. Step 6: Final answer
    x = 64,282.75

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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.