Home / 77,058.90-106,340.89-43,067.35

Finding the Fourth Proportional to 77,058.90, 106,340.89 and 43,067.35

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Solution

The fourth proportional to 77,058.90, 106,340.89 and 43,067.35 is: 59,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,058.90 : 106,340.89 = 43,067.35 : x
  2. Step 2: Convert to fraction form
    77,058.90/106,340.89 = 43,067.35/x
  3. Step 3: Cross multiply
    77,058.90x = 106,340.89 × 43,067.35
  4. Step 4: Simplify right side
    77,058.90x = 4,579,820,328.94
  5. Step 5: Solve for x
    x = 4,579,820,328.94/77,058.90
  6. Step 6: Final answer
    x = 59,432.72

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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.