Home / 70,303.24-105,447.06-17,712.72

Finding the Fourth Proportional to 70,303.24, 105,447.06 and 17,712.72

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Solution

The fourth proportional to 70,303.24, 105,447.06 and 17,712.72 is: 26,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.24 : 105,447.06 = 17,712.72 : x
  2. Step 2: Convert to fraction form
    70,303.24/105,447.06 = 17,712.72/x
  3. Step 3: Cross multiply
    70,303.24x = 105,447.06 × 17,712.72
  4. Step 4: Simplify right side
    70,303.24x = 1,867,754,248.60
  5. Step 5: Solve for x
    x = 1,867,754,248.60/70,303.24
  6. Step 6: Final answer
    x = 26,567.11

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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.