Home / 83,985.40-115,899.84-46,259.66

Finding the Fourth Proportional to 83,985.40, 115,899.84 and 46,259.66

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Solution

The fourth proportional to 83,985.40, 115,899.84 and 46,259.66 is: 63,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,985.40 : 115,899.84 = 46,259.66 : x
  2. Step 2: Convert to fraction form
    83,985.40/115,899.84 = 46,259.66/x
  3. Step 3: Cross multiply
    83,985.40x = 115,899.84 × 46,259.66
  4. Step 4: Simplify right side
    83,985.40x = 5,361,487,192.45
  5. Step 5: Solve for x
    x = 5,361,487,192.45/83,985.40
  6. Step 6: Final answer
    x = 63,838.32

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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.