Home / 77,246.10-106,544.61-70,893.18

Finding the Fourth Proportional to 77,246.10, 106,544.61 and 70,893.18

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Solution

The fourth proportional to 77,246.10, 106,544.61 and 70,893.18 is: 97,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.10 : 106,544.61 = 70,893.18 : x
  2. Step 2: Convert to fraction form
    77,246.10/106,544.61 = 70,893.18/x
  3. Step 3: Cross multiply
    77,246.10x = 106,544.61 × 70,893.18
  4. Step 4: Simplify right side
    77,246.10x = 7,553,286,214.76
  5. Step 5: Solve for x
    x = 7,553,286,214.76/77,246.10
  6. Step 6: Final answer
    x = 97,782.10

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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.