Home / 67,742.58-93,495.42-40,888.92

Finding the Fourth Proportional to 67,742.58, 93,495.42 and 40,888.92

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Solution

The fourth proportional to 67,742.58, 93,495.42 and 40,888.92 is: 56,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,742.58 : 93,495.42 = 40,888.92 : x
  2. Step 2: Convert to fraction form
    67,742.58/93,495.42 = 40,888.92/x
  3. Step 3: Cross multiply
    67,742.58x = 93,495.42 × 40,888.92
  4. Step 4: Simplify right side
    67,742.58x = 3,822,926,748.75
  5. Step 5: Solve for x
    x = 3,822,926,748.75/67,742.58
  6. Step 6: Final answer
    x = 56,433.14

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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.