Home / 117,017.48-161,483.63-63,302.36

Finding the Fourth Proportional to 117,017.48, 161,483.63 and 63,302.36

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Solution

The fourth proportional to 117,017.48, 161,483.63 and 63,302.36 is: 87,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,017.48 : 161,483.63 = 63,302.36 : x
  2. Step 2: Convert to fraction form
    117,017.48/161,483.63 = 63,302.36/x
  3. Step 3: Cross multiply
    117,017.48x = 161,483.63 × 63,302.36
  4. Step 4: Simplify right side
    117,017.48x = 10,222,293,756.44
  5. Step 5: Solve for x
    x = 10,222,293,756.44/117,017.48
  6. Step 6: Final answer
    x = 87,356.98

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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.