Home / 67,577.84-93,254.56-40,000.40

Finding the Fourth Proportional to 67,577.84, 93,254.56 and 40,000.40

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Solution

The fourth proportional to 67,577.84, 93,254.56 and 40,000.40 is: 55,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,577.84 : 93,254.56 = 40,000.40 : x
  2. Step 2: Convert to fraction form
    67,577.84/93,254.56 = 40,000.40/x
  3. Step 3: Cross multiply
    67,577.84x = 93,254.56 × 40,000.40
  4. Step 4: Simplify right side
    67,577.84x = 3,730,219,701.82
  5. Step 5: Solve for x
    x = 3,730,219,701.82/67,577.84
  6. Step 6: Final answer
    x = 55,198.86

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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.