Home / 83,881.36-115,751.88-46,148.32

Finding the Fourth Proportional to 83,881.36, 115,751.88 and 46,148.32

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Solution

The fourth proportional to 83,881.36, 115,751.88 and 46,148.32 is: 63,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881.36 : 115,751.88 = 46,148.32 : x
  2. Step 2: Convert to fraction form
    83,881.36/115,751.88 = 46,148.32/x
  3. Step 3: Cross multiply
    83,881.36x = 115,751.88 × 46,148.32
  4. Step 4: Simplify right side
    83,881.36x = 5,341,754,798.84
  5. Step 5: Solve for x
    x = 5,341,754,798.84/83,881.36
  6. Step 6: Final answer
    x = 63,682.26

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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.