Home / 103,607.06-142,977.52-58,285.07

Finding the Fourth Proportional to 103,607.06, 142,977.52 and 58,285.07

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Solution

The fourth proportional to 103,607.06, 142,977.52 and 58,285.07 is: 80,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,607.06 : 142,977.52 = 58,285.07 : x
  2. Step 2: Convert to fraction form
    103,607.06/142,977.52 = 58,285.07/x
  3. Step 3: Cross multiply
    103,607.06x = 142,977.52 × 58,285.07
  4. Step 4: Simplify right side
    103,607.06x = 8,333,454,761.63
  5. Step 5: Solve for x
    x = 8,333,454,761.63/103,607.06
  6. Step 6: Final answer
    x = 80,433.27

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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.