Home / 67,719.21-93,445.40-37,503.74

Finding the Fourth Proportional to 67,719.21, 93,445.40 and 37,503.74

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Solution

The fourth proportional to 67,719.21, 93,445.40 and 37,503.74 is: 51,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.21 : 93,445.40 = 37,503.74 : x
  2. Step 2: Convert to fraction form
    67,719.21/93,445.40 = 37,503.74/x
  3. Step 3: Cross multiply
    67,719.21x = 93,445.40 × 37,503.74
  4. Step 4: Simplify right side
    67,719.21x = 3,504,551,331.05
  5. Step 5: Solve for x
    x = 3,504,551,331.05/67,719.21
  6. Step 6: Final answer
    x = 51,751.21

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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.