Home / 75,275.43-103,878.54-46,587.47

Finding the Fourth Proportional to 75,275.43, 103,878.54 and 46,587.47

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Solution

The fourth proportional to 75,275.43, 103,878.54 and 46,587.47 is: 64,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.43 : 103,878.54 = 46,587.47 : x
  2. Step 2: Convert to fraction form
    75,275.43/103,878.54 = 46,587.47/x
  3. Step 3: Cross multiply
    75,275.43x = 103,878.54 × 46,587.47
  4. Step 4: Simplify right side
    75,275.43x = 4,839,437,846.50
  5. Step 5: Solve for x
    x = 4,839,437,846.50/75,275.43
  6. Step 6: Final answer
    x = 64,289.74

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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.