Home / 112,731.04-168,949.60-62,809.12

Finding the Fourth Proportional to 112,731.04, 168,949.60 and 62,809.12

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Solution

The fourth proportional to 112,731.04, 168,949.60 and 62,809.12 is: 94,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.04 : 168,949.60 = 62,809.12 : x
  2. Step 2: Convert to fraction form
    112,731.04/168,949.60 = 62,809.12/x
  3. Step 3: Cross multiply
    112,731.04x = 168,949.60 × 62,809.12
  4. Step 4: Simplify right side
    112,731.04x = 10,611,575,700.35
  5. Step 5: Solve for x
    x = 10,611,575,700.35/112,731.04
  6. Step 6: Final answer
    x = 94,131.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.