Home / 103,618.04-143,005.10-58,297.73

Finding the Fourth Proportional to 103,618.04, 143,005.10 and 58,297.73

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Solution

The fourth proportional to 103,618.04, 143,005.10 and 58,297.73 is: 80,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618.04 : 143,005.10 = 58,297.73 : x
  2. Step 2: Convert to fraction form
    103,618.04/143,005.10 = 58,297.73/x
  3. Step 3: Cross multiply
    103,618.04x = 143,005.10 × 58,297.73
  4. Step 4: Simplify right side
    103,618.04x = 8,336,871,701.91
  5. Step 5: Solve for x
    x = 8,336,871,701.91/103,618.04
  6. Step 6: Final answer
    x = 80,457.73

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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.