Home / 117,140.41-175,688.28-57,108.63

Finding the Fourth Proportional to 117,140.41, 175,688.28 and 57,108.63

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Solution

The fourth proportional to 117,140.41, 175,688.28 and 57,108.63 is: 85,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,140.41 : 175,688.28 = 57,108.63 : x
  2. Step 2: Convert to fraction form
    117,140.41/175,688.28 = 57,108.63/x
  3. Step 3: Cross multiply
    117,140.41x = 175,688.28 × 57,108.63
  4. Step 4: Simplify right side
    117,140.41x = 10,033,316,983.31
  5. Step 5: Solve for x
    x = 10,033,316,983.31/117,140.41
  6. Step 6: Final answer
    x = 85,652.05

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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.