Home / 106,802.75-147,385.27-58,402.62

Finding the Fourth Proportional to 106,802.75, 147,385.27 and 58,402.62

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Solution

The fourth proportional to 106,802.75, 147,385.27 and 58,402.62 is: 80,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,802.75 : 147,385.27 = 58,402.62 : x
  2. Step 2: Convert to fraction form
    106,802.75/147,385.27 = 58,402.62/x
  3. Step 3: Cross multiply
    106,802.75x = 147,385.27 × 58,402.62
  4. Step 4: Simplify right side
    106,802.75x = 8,607,685,990.41
  5. Step 5: Solve for x
    x = 8,607,685,990.41/106,802.75
  6. Step 6: Final answer
    x = 80,594.23

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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.