Home / 112,388.36-168,607.18-42,267.66

Finding the Fourth Proportional to 112,388.36, 168,607.18 and 42,267.66

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Solution

The fourth proportional to 112,388.36, 168,607.18 and 42,267.66 is: 63,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,388.36 : 168,607.18 = 42,267.66 : x
  2. Step 2: Convert to fraction form
    112,388.36/168,607.18 = 42,267.66/x
  3. Step 3: Cross multiply
    112,388.36x = 168,607.18 × 42,267.66
  4. Step 4: Simplify right side
    112,388.36x = 7,126,630,957.80
  5. Step 5: Solve for x
    x = 7,126,630,957.80/112,388.36
  6. Step 6: Final answer
    x = 63,410.76

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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.