Home / 112,848.05-169,272.32-28,608.19

Finding the Fourth Proportional to 112,848.05, 169,272.32 and 28,608.19

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Solution

The fourth proportional to 112,848.05, 169,272.32 and 28,608.19 is: 42,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.05 : 169,272.32 = 28,608.19 : x
  2. Step 2: Convert to fraction form
    112,848.05/169,272.32 = 28,608.19/x
  3. Step 3: Cross multiply
    112,848.05x = 169,272.32 × 28,608.19
  4. Step 4: Simplify right side
    112,848.05x = 4,842,574,126.08
  5. Step 5: Solve for x
    x = 4,842,574,126.08/112,848.05
  6. Step 6: Final answer
    x = 42,912.34

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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.