Home / 112,825.08-155,714.94-65,068.92

Finding the Fourth Proportional to 112,825.08, 155,714.94 and 65,068.92

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Solution

The fourth proportional to 112,825.08, 155,714.94 and 65,068.92 is: 89,804.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,825.08 : 155,714.94 = 65,068.92 : x
  2. Step 2: Convert to fraction form
    112,825.08/155,714.94 = 65,068.92/x
  3. Step 3: Cross multiply
    112,825.08x = 155,714.94 × 65,068.92
  4. Step 4: Simplify right side
    112,825.08x = 10,132,202,973.66
  5. Step 5: Solve for x
    x = 10,132,202,973.66/112,825.08
  6. Step 6: Final answer
    x = 89,804.53

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1.5x scale

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.