Home / 104,430.33-144,116.46-56,683.53

Finding the Fourth Proportional to 104,430.33, 144,116.46 and 56,683.53

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Solution

The fourth proportional to 104,430.33, 144,116.46 and 56,683.53 is: 78,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.33 : 144,116.46 = 56,683.53 : x
  2. Step 2: Convert to fraction form
    104,430.33/144,116.46 = 56,683.53/x
  3. Step 3: Cross multiply
    104,430.33x = 144,116.46 × 56,683.53
  4. Step 4: Simplify right side
    104,430.33x = 8,169,029,683.90
  5. Step 5: Solve for x
    x = 8,169,029,683.90/104,430.33
  6. Step 6: Final answer
    x = 78,224.69

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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.