Home / 103,880.02-143,345.82-58,569.15

Finding the Fourth Proportional to 103,880.02, 143,345.82 and 58,569.15

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Solution

The fourth proportional to 103,880.02, 143,345.82 and 58,569.15 is: 80,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,880.02 : 143,345.82 = 58,569.15 : x
  2. Step 2: Convert to fraction form
    103,880.02/143,345.82 = 58,569.15/x
  3. Step 3: Cross multiply
    103,880.02x = 143,345.82 × 58,569.15
  4. Step 4: Simplify right side
    103,880.02x = 8,395,642,833.45
  5. Step 5: Solve for x
    x = 8,395,642,833.45/103,880.02
  6. Step 6: Final answer
    x = 80,820.57

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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.