Home / 118,440.90-163,441.44-64,726.32

Finding the Fourth Proportional to 118,440.90, 163,441.44 and 64,726.32

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Solution

The fourth proportional to 118,440.90, 163,441.44 and 64,726.32 is: 89,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.90 : 163,441.44 = 64,726.32 : x
  2. Step 2: Convert to fraction form
    118,440.90/163,441.44 = 64,726.32/x
  3. Step 3: Cross multiply
    118,440.90x = 163,441.44 × 64,726.32
  4. Step 4: Simplify right side
    118,440.90x = 10,578,962,946.70
  5. Step 5: Solve for x
    x = 10,578,962,946.70/118,440.90
  6. Step 6: Final answer
    x = 89,318.50

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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.