Home / 104,585.23-144,328.73-56,838.58

Finding the Fourth Proportional to 104,585.23, 144,328.73 and 56,838.58

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Solution

The fourth proportional to 104,585.23, 144,328.73 and 56,838.58 is: 78,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,585.23 : 144,328.73 = 56,838.58 : x
  2. Step 2: Convert to fraction form
    104,585.23/144,328.73 = 56,838.58/x
  3. Step 3: Cross multiply
    104,585.23x = 144,328.73 × 56,838.58
  4. Step 4: Simplify right side
    104,585.23x = 8,203,440,066.40
  5. Step 5: Solve for x
    x = 8,203,440,066.40/104,585.23
  6. Step 6: Final answer
    x = 78,437.85

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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.