Home / 67,328.82-92,862.45-51,465.78

Finding the Fourth Proportional to 67,328.82, 92,862.45 and 51,465.78

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Solution

The fourth proportional to 67,328.82, 92,862.45 and 51,465.78 is: 70,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.82 : 92,862.45 = 51,465.78 : x
  2. Step 2: Convert to fraction form
    67,328.82/92,862.45 = 51,465.78/x
  3. Step 3: Cross multiply
    67,328.82x = 92,862.45 × 51,465.78
  4. Step 4: Simplify right side
    67,328.82x = 4,779,238,421.96
  5. Step 5: Solve for x
    x = 4,779,238,421.96/67,328.82
  6. Step 6: Final answer
    x = 70,983.55

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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.