Home / 78,802.32-118,252.70-52,525.52

Finding the Fourth Proportional to 78,802.32, 118,252.70 and 52,525.52

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Solution

The fourth proportional to 78,802.32, 118,252.70 and 52,525.52 is: 78,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,802.32 : 118,252.70 = 52,525.52 : x
  2. Step 2: Convert to fraction form
    78,802.32/118,252.70 = 52,525.52/x
  3. Step 3: Cross multiply
    78,802.32x = 118,252.70 × 52,525.52
  4. Step 4: Simplify right side
    78,802.32x = 6,211,284,558.90
  5. Step 5: Solve for x
    x = 6,211,284,558.90/78,802.32
  6. Step 6: Final answer
    x = 78,821.09

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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.