Home / 104,567.42-144,303.24-56,821.40

Finding the Fourth Proportional to 104,567.42, 144,303.24 and 56,821.40

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Solution

The fourth proportional to 104,567.42, 144,303.24 and 56,821.40 is: 78,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,567.42 : 144,303.24 = 56,821.40 : x
  2. Step 2: Convert to fraction form
    104,567.42/144,303.24 = 56,821.40/x
  3. Step 3: Cross multiply
    104,567.42x = 144,303.24 × 56,821.40
  4. Step 4: Simplify right side
    104,567.42x = 8,199,512,121.34
  5. Step 5: Solve for x
    x = 8,199,512,121.34/104,567.42
  6. Step 6: Final answer
    x = 78,413.64

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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.