Home / 67,878.36-101,851.47-30,465.18

Finding the Fourth Proportional to 67,878.36, 101,851.47 and 30,465.18

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Solution

The fourth proportional to 67,878.36, 101,851.47 and 30,465.18 is: 45,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878.36 : 101,851.47 = 30,465.18 : x
  2. Step 2: Convert to fraction form
    67,878.36/101,851.47 = 30,465.18/x
  3. Step 3: Cross multiply
    67,878.36x = 101,851.47 × 30,465.18
  4. Step 4: Simplify right side
    67,878.36x = 3,102,923,366.81
  5. Step 5: Solve for x
    x = 3,102,923,366.81/67,878.36
  6. Step 6: Final answer
    x = 45,713.00

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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.