Home / 103,340.10-142,604.69-58,017.26

Finding the Fourth Proportional to 103,340.10, 142,604.69 and 58,017.26

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Solution

The fourth proportional to 103,340.10, 142,604.69 and 58,017.26 is: 80,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340.10 : 142,604.69 = 58,017.26 : x
  2. Step 2: Convert to fraction form
    103,340.10/142,604.69 = 58,017.26/x
  3. Step 3: Cross multiply
    103,340.10x = 142,604.69 × 58,017.26
  4. Step 4: Simplify right side
    103,340.10x = 8,273,533,443.37
  5. Step 5: Solve for x
    x = 8,273,533,443.37/103,340.10
  6. Step 6: Final answer
    x = 80,061.21

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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.