Home / 71,607.16-98,802.86-43,307.32

Finding the Fourth Proportional to 71,607.16, 98,802.86 and 43,307.32

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Solution

The fourth proportional to 71,607.16, 98,802.86 and 43,307.32 is: 59,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.16 : 98,802.86 = 43,307.32 : x
  2. Step 2: Convert to fraction form
    71,607.16/98,802.86 = 43,307.32/x
  3. Step 3: Cross multiply
    71,607.16x = 98,802.86 × 43,307.32
  4. Step 4: Simplify right side
    71,607.16x = 4,278,887,074.94
  5. Step 5: Solve for x
    x = 4,278,887,074.94/71,607.16
  6. Step 6: Final answer
    x = 59,755.02

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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.