Home / 102,878.02-154,335.46-36,356.77

Finding the Fourth Proportional to 102,878.02, 154,335.46 and 36,356.77

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Solution

The fourth proportional to 102,878.02, 154,335.46 and 36,356.77 is: 54,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,878.02 : 154,335.46 = 36,356.77 : x
  2. Step 2: Convert to fraction form
    102,878.02/154,335.46 = 36,356.77/x
  3. Step 3: Cross multiply
    102,878.02x = 154,335.46 × 36,356.77
  4. Step 4: Simplify right side
    102,878.02x = 5,611,138,822.06
  5. Step 5: Solve for x
    x = 5,611,138,822.06/102,878.02
  6. Step 6: Final answer
    x = 54,541.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.