Home / 51,148.84-70,557.12-42,578.23

Finding the Fourth Proportional to 51,148.84, 70,557.12 and 42,578.23

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Solution

The fourth proportional to 51,148.84, 70,557.12 and 42,578.23 is: 58,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148.84 : 70,557.12 = 42,578.23 : x
  2. Step 2: Convert to fraction form
    51,148.84/70,557.12 = 42,578.23/x
  3. Step 3: Cross multiply
    51,148.84x = 70,557.12 × 42,578.23
  4. Step 4: Simplify right side
    51,148.84x = 3,004,197,283.50
  5. Step 5: Solve for x
    x = 3,004,197,283.50/51,148.84
  6. Step 6: Final answer
    x = 58,734.42

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1.5x scale

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.