Home / 104,721.66-144,516.51-56,975.35

Finding the Fourth Proportional to 104,721.66, 144,516.51 and 56,975.35

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Solution

The fourth proportional to 104,721.66, 144,516.51 and 56,975.35 is: 78,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.66 : 144,516.51 = 56,975.35 : x
  2. Step 2: Convert to fraction form
    104,721.66/144,516.51 = 56,975.35/x
  3. Step 3: Cross multiply
    104,721.66x = 144,516.51 × 56,975.35
  4. Step 4: Simplify right side
    104,721.66x = 8,233,878,015.45
  5. Step 5: Solve for x
    x = 8,233,878,015.45/104,721.66
  6. Step 6: Final answer
    x = 78,626.32

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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.