Home / 53,135.91-79,315.14-46,830.44

Finding the Fourth Proportional to 53,135.91, 79,315.14 and 46,830.44

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Solution

The fourth proportional to 53,135.91, 79,315.14 and 46,830.44 is: 69,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.91 : 79,315.14 = 46,830.44 : x
  2. Step 2: Convert to fraction form
    53,135.91/79,315.14 = 46,830.44/x
  3. Step 3: Cross multiply
    53,135.91x = 79,315.14 × 46,830.44
  4. Step 4: Simplify right side
    53,135.91x = 3,714,362,904.86
  5. Step 5: Solve for x
    x = 3,714,362,904.86/53,135.91
  6. Step 6: Final answer
    x = 69,903.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.