Home / 56,943.49-85,282.29-45,017.12

Finding the Fourth Proportional to 56,943.49, 85,282.29 and 45,017.12

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Solution

The fourth proportional to 56,943.49, 85,282.29 and 45,017.12 is: 67,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.49 : 85,282.29 = 45,017.12 : x
  2. Step 2: Convert to fraction form
    56,943.49/85,282.29 = 45,017.12/x
  3. Step 3: Cross multiply
    56,943.49x = 85,282.29 × 45,017.12
  4. Step 4: Simplify right side
    56,943.49x = 3,839,163,082.80
  5. Step 5: Solve for x
    x = 3,839,163,082.80/56,943.49
  6. Step 6: Final answer
    x = 67,420.58

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1.5x scale

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.