Home / 103,415.33-142,697.61-58,084.63

Finding the Fourth Proportional to 103,415.33, 142,697.61 and 58,084.63

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Solution

The fourth proportional to 103,415.33, 142,697.61 and 58,084.63 is: 80,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,415.33 : 142,697.61 = 58,084.63 : x
  2. Step 2: Convert to fraction form
    103,415.33/142,697.61 = 58,084.63/x
  3. Step 3: Cross multiply
    103,415.33x = 142,697.61 × 58,084.63
  4. Step 4: Simplify right side
    103,415.33x = 8,288,537,878.73
  5. Step 5: Solve for x
    x = 8,288,537,878.73/103,415.33
  6. Step 6: Final answer
    x = 80,148.06

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1.5x scale

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.