Home / 103,957.26-143,460.32-58,635.62

Finding the Fourth Proportional to 103,957.26, 143,460.32 and 58,635.62

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Solution

The fourth proportional to 103,957.26, 143,460.32 and 58,635.62 is: 80,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,957.26 : 143,460.32 = 58,635.62 : x
  2. Step 2: Convert to fraction form
    103,957.26/143,460.32 = 58,635.62/x
  3. Step 3: Cross multiply
    103,957.26x = 143,460.32 × 58,635.62
  4. Step 4: Simplify right side
    103,957.26x = 8,411,884,808.60
  5. Step 5: Solve for x
    x = 8,411,884,808.60/103,957.26
  6. Step 6: Final answer
    x = 80,916.76

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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.