Home / 74,687.10-103,064.31-46,392.22

Finding the Fourth Proportional to 74,687.10, 103,064.31 and 46,392.22

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Solution

The fourth proportional to 74,687.10, 103,064.31 and 46,392.22 is: 64,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.10 : 103,064.31 = 46,392.22 : x
  2. Step 2: Convert to fraction form
    74,687.10/103,064.31 = 46,392.22/x
  3. Step 3: Cross multiply
    74,687.10x = 103,064.31 × 46,392.22
  4. Step 4: Simplify right side
    74,687.10x = 4,781,382,143.67
  5. Step 5: Solve for x
    x = 4,781,382,143.67/74,687.10
  6. Step 6: Final answer
    x = 64,018.85

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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.