Home / 118,675.74-163,772.77-64,964.19

Finding the Fourth Proportional to 118,675.74, 163,772.77 and 64,964.19

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Solution

The fourth proportional to 118,675.74, 163,772.77 and 64,964.19 is: 89,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675.74 : 163,772.77 = 64,964.19 : x
  2. Step 2: Convert to fraction form
    118,675.74/163,772.77 = 64,964.19/x
  3. Step 3: Cross multiply
    118,675.74x = 163,772.77 × 64,964.19
  4. Step 4: Simplify right side
    118,675.74x = 10,639,365,347.11
  5. Step 5: Solve for x
    x = 10,639,365,347.11/118,675.74
  6. Step 6: Final answer
    x = 89,650.72

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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.