Home / 88,427.52-122,111.03-56,172.53

Finding the Fourth Proportional to 88,427.52, 122,111.03 and 56,172.53

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Solution

The fourth proportional to 88,427.52, 122,111.03 and 56,172.53 is: 77,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.52 : 122,111.03 = 56,172.53 : x
  2. Step 2: Convert to fraction form
    88,427.52/122,111.03 = 56,172.53/x
  3. Step 3: Cross multiply
    88,427.52x = 122,111.03 × 56,172.53
  4. Step 4: Simplify right side
    88,427.52x = 6,859,285,291.46
  5. Step 5: Solve for x
    x = 6,859,285,291.46/88,427.52
  6. Step 6: Final answer
    x = 77,569.58

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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.