Home / 103,907.48-143,389.44-58,585.06

Finding the Fourth Proportional to 103,907.48, 143,389.44 and 58,585.06

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Solution

The fourth proportional to 103,907.48, 143,389.44 and 58,585.06 is: 80,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,907.48 : 143,389.44 = 58,585.06 : x
  2. Step 2: Convert to fraction form
    103,907.48/143,389.44 = 58,585.06/x
  3. Step 3: Cross multiply
    103,907.48x = 143,389.44 × 58,585.06
  4. Step 4: Simplify right side
    103,907.48x = 8,400,478,945.77
  5. Step 5: Solve for x
    x = 8,400,478,945.77/103,907.48
  6. Step 6: Final answer
    x = 80,845.76

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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.