Home / 83,872.04-115,741.80-46,146.32

Finding the Fourth Proportional to 83,872.04, 115,741.80 and 46,146.32

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Solution

The fourth proportional to 83,872.04, 115,741.80 and 46,146.32 is: 63,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,872.04 : 115,741.80 = 46,146.32 : x
  2. Step 2: Convert to fraction form
    83,872.04/115,741.80 = 46,146.32/x
  3. Step 3: Cross multiply
    83,872.04x = 115,741.80 × 46,146.32
  4. Step 4: Simplify right side
    83,872.04x = 5,341,058,140.18
  5. Step 5: Solve for x
    x = 5,341,058,140.18/83,872.04
  6. Step 6: Final answer
    x = 63,681.03

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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.