Home / 103,543.02-155,265.93-47,367.18

Finding the Fourth Proportional to 103,543.02, 155,265.93 and 47,367.18

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Solution

The fourth proportional to 103,543.02, 155,265.93 and 47,367.18 is: 71,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543.02 : 155,265.93 = 47,367.18 : x
  2. Step 2: Convert to fraction form
    103,543.02/155,265.93 = 47,367.18/x
  3. Step 3: Cross multiply
    103,543.02x = 155,265.93 × 47,367.18
  4. Step 4: Simplify right side
    103,543.02x = 7,354,509,254.18
  5. Step 5: Solve for x
    x = 7,354,509,254.18/103,543.02
  6. Step 6: Final answer
    x = 71,028.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.