Home / 67,328.80-92,879.55-51,385.58

Finding the Fourth Proportional to 67,328.80, 92,879.55 and 51,385.58

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Solution

The fourth proportional to 67,328.80, 92,879.55 and 51,385.58 is: 70,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,328.80 : 92,879.55 = 51,385.58 : x
  2. Step 2: Convert to fraction form
    67,328.80/92,879.55 = 51,385.58/x
  3. Step 3: Cross multiply
    67,328.80x = 92,879.55 × 51,385.58
  4. Step 4: Simplify right side
    67,328.80x = 4,772,669,546.89
  5. Step 5: Solve for x
    x = 4,772,669,546.89/67,328.80
  6. Step 6: Final answer
    x = 70,886.00

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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.