Home / 105,726.12-145,903.08-60,410.04

Finding the Fourth Proportional to 105,726.12, 145,903.08 and 60,410.04

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Solution

The fourth proportional to 105,726.12, 145,903.08 and 60,410.04 is: 83,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,726.12 : 145,903.08 = 60,410.04 : x
  2. Step 2: Convert to fraction form
    105,726.12/145,903.08 = 60,410.04/x
  3. Step 3: Cross multiply
    105,726.12x = 145,903.08 × 60,410.04
  4. Step 4: Simplify right side
    105,726.12x = 8,814,010,898.92
  5. Step 5: Solve for x
    x = 8,814,010,898.92/105,726.12
  6. Step 6: Final answer
    x = 83,366.45

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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.