Home / 112,523.76-168,792.12-42,403.68

Finding the Fourth Proportional to 112,523.76, 168,792.12 and 42,403.68

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Solution

The fourth proportional to 112,523.76, 168,792.12 and 42,403.68 is: 63,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523.76 : 168,792.12 = 42,403.68 : x
  2. Step 2: Convert to fraction form
    112,523.76/168,792.12 = 42,403.68/x
  3. Step 3: Cross multiply
    112,523.76x = 168,792.12 × 42,403.68
  4. Step 4: Simplify right side
    112,523.76x = 7,157,407,043.00
  5. Step 5: Solve for x
    x = 7,157,407,043.00/112,523.76
  6. Step 6: Final answer
    x = 63,607.96

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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.