Home / 104,152.66-143,730.51-56,406.19

Finding the Fourth Proportional to 104,152.66, 143,730.51 and 56,406.19

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Solution

The fourth proportional to 104,152.66, 143,730.51 and 56,406.19 is: 77,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,152.66 : 143,730.51 = 56,406.19 : x
  2. Step 2: Convert to fraction form
    104,152.66/143,730.51 = 56,406.19/x
  3. Step 3: Cross multiply
    104,152.66x = 143,730.51 × 56,406.19
  4. Step 4: Simplify right side
    104,152.66x = 8,107,290,455.86
  5. Step 5: Solve for x
    x = 8,107,290,455.86/104,152.66
  6. Step 6: Final answer
    x = 77,840.46

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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.