Home / 118,567.77-163,622.32-64,853.83

Finding the Fourth Proportional to 118,567.77, 163,622.32 and 64,853.83

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Solution

The fourth proportional to 118,567.77, 163,622.32 and 64,853.83 is: 89,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.77 : 163,622.32 = 64,853.83 : x
  2. Step 2: Convert to fraction form
    118,567.77/163,622.32 = 64,853.83/x
  3. Step 3: Cross multiply
    118,567.77x = 163,622.32 × 64,853.83
  4. Step 4: Simplify right side
    118,567.77x = 10,611,534,125.49
  5. Step 5: Solve for x
    x = 10,611,534,125.49/118,567.77
  6. Step 6: Final answer
    x = 89,497.63

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1.5x scale

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.