Home / 118,570.22-163,631.44-67,590.98

Finding the Fourth Proportional to 118,570.22, 163,631.44 and 67,590.98

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Solution

The fourth proportional to 118,570.22, 163,631.44 and 67,590.98 is: 93,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,570.22 : 163,631.44 = 67,590.98 : x
  2. Step 2: Convert to fraction form
    118,570.22/163,631.44 = 67,590.98/x
  3. Step 3: Cross multiply
    118,570.22x = 163,631.44 × 67,590.98
  4. Step 4: Simplify right side
    118,570.22x = 11,060,009,388.41
  5. Step 5: Solve for x
    x = 11,060,009,388.41/118,570.22
  6. Step 6: Final answer
    x = 93,278.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.