Home / 105,800.07-145,999.08-58,052.46

Finding the Fourth Proportional to 105,800.07, 145,999.08 and 58,052.46

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Solution

The fourth proportional to 105,800.07, 145,999.08 and 58,052.46 is: 80,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,800.07 : 145,999.08 = 58,052.46 : x
  2. Step 2: Convert to fraction form
    105,800.07/145,999.08 = 58,052.46/x
  3. Step 3: Cross multiply
    105,800.07x = 145,999.08 × 58,052.46
  4. Step 4: Simplify right side
    105,800.07x = 8,475,605,751.74
  5. Step 5: Solve for x
    x = 8,475,605,751.74/105,800.07
  6. Step 6: Final answer
    x = 80,109.64

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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.