Home / 118,698.03-163,777.09-70,275.91

Finding the Fourth Proportional to 118,698.03, 163,777.09 and 70,275.91

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Solution

The fourth proportional to 118,698.03, 163,777.09 and 70,275.91 is: 96,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698.03 : 163,777.09 = 70,275.91 : x
  2. Step 2: Convert to fraction form
    118,698.03/163,777.09 = 70,275.91/x
  3. Step 3: Cross multiply
    118,698.03x = 163,777.09 × 70,275.91
  4. Step 4: Simplify right side
    118,698.03x = 11,509,583,685.52
  5. Step 5: Solve for x
    x = 11,509,583,685.52/118,698.03
  6. Step 6: Final answer
    x = 96,965.25

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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.