Home / 106,531.02-147,012.48-58,783.95

Finding the Fourth Proportional to 106,531.02, 147,012.48 and 58,783.95

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Solution

The fourth proportional to 106,531.02, 147,012.48 and 58,783.95 is: 81,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.02 : 147,012.48 = 58,783.95 : x
  2. Step 2: Convert to fraction form
    106,531.02/147,012.48 = 58,783.95/x
  3. Step 3: Cross multiply
    106,531.02x = 147,012.48 × 58,783.95
  4. Step 4: Simplify right side
    106,531.02x = 8,641,974,273.70
  5. Step 5: Solve for x
    x = 8,641,974,273.70/106,531.02
  6. Step 6: Final answer
    x = 81,121.67

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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.