Home / 117,382.10-176,029.02-42,483.74

Finding the Fourth Proportional to 117,382.10, 176,029.02 and 42,483.74

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Solution

The fourth proportional to 117,382.10, 176,029.02 and 42,483.74 is: 63,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,382.10 : 176,029.02 = 42,483.74 : x
  2. Step 2: Convert to fraction form
    117,382.10/176,029.02 = 42,483.74/x
  3. Step 3: Cross multiply
    117,382.10x = 176,029.02 × 42,483.74
  4. Step 4: Simplify right side
    117,382.10x = 7,478,371,118.13
  5. Step 5: Solve for x
    x = 7,478,371,118.13/117,382.10
  6. Step 6: Final answer
    x = 63,709.64

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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.