Home / 112,620.04-168,812.37-37,678.53

Finding the Fourth Proportional to 112,620.04, 168,812.37 and 37,678.53

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Solution

The fourth proportional to 112,620.04, 168,812.37 and 37,678.53 is: 56,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.04 : 168,812.37 = 37,678.53 : x
  2. Step 2: Convert to fraction form
    112,620.04/168,812.37 = 37,678.53/x
  3. Step 3: Cross multiply
    112,620.04x = 168,812.37 × 37,678.53
  4. Step 4: Simplify right side
    112,620.04x = 6,360,601,759.02
  5. Step 5: Solve for x
    x = 6,360,601,759.02/112,620.04
  6. Step 6: Final answer
    x = 56,478.42

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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.