Home / 67,271.51-92,838.69-38,590.98

Finding the Fourth Proportional to 67,271.51, 92,838.69 and 38,590.98

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Solution

The fourth proportional to 67,271.51, 92,838.69 and 38,590.98 is: 53,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.51 : 92,838.69 = 38,590.98 : x
  2. Step 2: Convert to fraction form
    67,271.51/92,838.69 = 38,590.98/x
  3. Step 3: Cross multiply
    67,271.51x = 92,838.69 × 38,590.98
  4. Step 4: Simplify right side
    67,271.51x = 3,582,736,029.02
  5. Step 5: Solve for x
    x = 3,582,736,029.02/67,271.51
  6. Step 6: Final answer
    x = 53,257.85

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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.