Home / 103,503.36-142,835.20-58,792.96

Finding the Fourth Proportional to 103,503.36, 142,835.20 and 58,792.96

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Solution

The fourth proportional to 103,503.36, 142,835.20 and 58,792.96 is: 81,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,503.36 : 142,835.20 = 58,792.96 : x
  2. Step 2: Convert to fraction form
    103,503.36/142,835.20 = 58,792.96/x
  3. Step 3: Cross multiply
    103,503.36x = 142,835.20 × 58,792.96
  4. Step 4: Simplify right side
    103,503.36x = 8,397,704,200.19
  5. Step 5: Solve for x
    x = 8,397,704,200.19/103,503.36
  6. Step 6: Final answer
    x = 81,134.60

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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.