Home / 105,483.09-145,565.54-60,159.90

Finding the Fourth Proportional to 105,483.09, 145,565.54 and 60,159.90

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Solution

The fourth proportional to 105,483.09, 145,565.54 and 60,159.90 is: 83,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,483.09 : 145,565.54 = 60,159.90 : x
  2. Step 2: Convert to fraction form
    105,483.09/145,565.54 = 60,159.90/x
  3. Step 3: Cross multiply
    105,483.09x = 145,565.54 × 60,159.90
  4. Step 4: Simplify right side
    105,483.09x = 8,757,208,029.05
  5. Step 5: Solve for x
    x = 8,757,208,029.05/105,483.09
  6. Step 6: Final answer
    x = 83,020.02

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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.