Home / 67,038.19-100,557.37-28,559.77

Finding the Fourth Proportional to 67,038.19, 100,557.37 and 28,559.77

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Solution

The fourth proportional to 67,038.19, 100,557.37 and 28,559.77 is: 42,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,038.19 : 100,557.37 = 28,559.77 : x
  2. Step 2: Convert to fraction form
    67,038.19/100,557.37 = 28,559.77/x
  3. Step 3: Cross multiply
    67,038.19x = 100,557.37 × 28,559.77
  4. Step 4: Simplify right side
    67,038.19x = 2,871,895,143.31
  5. Step 5: Solve for x
    x = 2,871,895,143.31/67,038.19
  6. Step 6: Final answer
    x = 42,839.69

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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.