Home / 93,075.30-138,560.24-92,521.72

Finding the Fourth Proportional to 93,075.30, 138,560.24 and 92,521.72

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Solution

The fourth proportional to 93,075.30, 138,560.24 and 92,521.72 is: 137,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,075.30 : 138,560.24 = 92,521.72 : x
  2. Step 2: Convert to fraction form
    93,075.30/138,560.24 = 92,521.72/x
  3. Step 3: Cross multiply
    93,075.30x = 138,560.24 × 92,521.72
  4. Step 4: Simplify right side
    93,075.30x = 12,819,831,035.61
  5. Step 5: Solve for x
    x = 12,819,831,035.61/93,075.30
  6. Step 6: Final answer
    x = 137,736.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.