Home / 67,038.49-100,557.71-17,116.80

Finding the Fourth Proportional to 67,038.49, 100,557.71 and 17,116.80

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Solution

The fourth proportional to 67,038.49, 100,557.71 and 17,116.80 is: 25,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,038.49 : 100,557.71 = 17,116.80 : x
  2. Step 2: Convert to fraction form
    67,038.49/100,557.71 = 17,116.80/x
  3. Step 3: Cross multiply
    67,038.49x = 100,557.71 × 17,116.80
  4. Step 4: Simplify right side
    67,038.49x = 1,721,226,210.53
  5. Step 5: Solve for x
    x = 1,721,226,210.53/67,038.49
  6. Step 6: Final answer
    x = 25,675.20

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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.