Home / 117,336.77-161,925.08-63,621.80

Finding the Fourth Proportional to 117,336.77, 161,925.08 and 63,621.80

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Solution

The fourth proportional to 117,336.77, 161,925.08 and 63,621.80 is: 87,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,336.77 : 161,925.08 = 63,621.80 : x
  2. Step 2: Convert to fraction form
    117,336.77/161,925.08 = 63,621.80/x
  3. Step 3: Cross multiply
    117,336.77x = 161,925.08 × 63,621.80
  4. Step 4: Simplify right side
    117,336.77x = 10,301,963,927.01
  5. Step 5: Solve for x
    x = 10,301,963,927.01/117,336.77
  6. Step 6: Final answer
    x = 87,798.26

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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.