Home / 105,767.61-145,958.51-58,020.63

Finding the Fourth Proportional to 105,767.61, 145,958.51 and 58,020.63

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Solution

The fourth proportional to 105,767.61, 145,958.51 and 58,020.63 is: 80,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,767.61 : 145,958.51 = 58,020.63 : x
  2. Step 2: Convert to fraction form
    105,767.61/145,958.51 = 58,020.63/x
  3. Step 3: Cross multiply
    105,767.61x = 145,958.51 × 58,020.63
  4. Step 4: Simplify right side
    105,767.61x = 8,468,604,413.96
  5. Step 5: Solve for x
    x = 8,468,604,413.96/105,767.61
  6. Step 6: Final answer
    x = 80,068.03

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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.