Home / 93,137.21-128,525.78-52,848.56

Finding the Fourth Proportional to 93,137.21, 128,525.78 and 52,848.56

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Solution

The fourth proportional to 93,137.21, 128,525.78 and 52,848.56 is: 72,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,137.21 : 128,525.78 = 52,848.56 : x
  2. Step 2: Convert to fraction form
    93,137.21/128,525.78 = 52,848.56/x
  3. Step 3: Cross multiply
    93,137.21x = 128,525.78 × 52,848.56
  4. Step 4: Simplify right side
    93,137.21x = 6,792,402,452.95
  5. Step 5: Solve for x
    x = 6,792,402,452.95/93,137.21
  6. Step 6: Final answer
    x = 72,928.99

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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.