Home / 103,652.98-143,039.38-58,330.91

Finding the Fourth Proportional to 103,652.98, 143,039.38 and 58,330.91

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Solution

The fourth proportional to 103,652.98, 143,039.38 and 58,330.91 is: 80,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,652.98 : 143,039.38 = 58,330.91 : x
  2. Step 2: Convert to fraction form
    103,652.98/143,039.38 = 58,330.91/x
  3. Step 3: Cross multiply
    103,652.98x = 143,039.38 × 58,330.91
  4. Step 4: Simplify right side
    103,652.98x = 8,343,617,201.24
  5. Step 5: Solve for x
    x = 8,343,617,201.24/103,652.98
  6. Step 6: Final answer
    x = 80,495.68

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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.