Home / 117,079.02-161,569.08-63,364.46

Finding the Fourth Proportional to 117,079.02, 161,569.08 and 63,364.46

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Solution

The fourth proportional to 117,079.02, 161,569.08 and 63,364.46 is: 87,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079.02 : 161,569.08 = 63,364.46 : x
  2. Step 2: Convert to fraction form
    117,079.02/161,569.08 = 63,364.46/x
  3. Step 3: Cross multiply
    117,079.02x = 161,569.08 × 63,364.46
  4. Step 4: Simplify right side
    117,079.02x = 10,237,736,699.05
  5. Step 5: Solve for x
    x = 10,237,736,699.05/117,079.02
  6. Step 6: Final answer
    x = 87,442.97

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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.