Home / 50,967.15-70,330.64-28,303.95

Finding the Fourth Proportional to 50,967.15, 70,330.64 and 28,303.95

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Solution

The fourth proportional to 50,967.15, 70,330.64 and 28,303.95 is: 39,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,967.15 : 70,330.64 = 28,303.95 : x
  2. Step 2: Convert to fraction form
    50,967.15/70,330.64 = 28,303.95/x
  3. Step 3: Cross multiply
    50,967.15x = 70,330.64 × 28,303.95
  4. Step 4: Simplify right side
    50,967.15x = 1,990,634,918.03
  5. Step 5: Solve for x
    x = 1,990,634,918.03/50,967.15
  6. Step 6: Final answer
    x = 39,057.21

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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.