Home / 74,126.41-102,292.55-41,421.10

Finding the Fourth Proportional to 74,126.41, 102,292.55 and 41,421.10

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Solution

The fourth proportional to 74,126.41, 102,292.55 and 41,421.10 is: 57,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.41 : 102,292.55 = 41,421.10 : x
  2. Step 2: Convert to fraction form
    74,126.41/102,292.55 = 41,421.10/x
  3. Step 3: Cross multiply
    74,126.41x = 102,292.55 × 41,421.10
  4. Step 4: Simplify right side
    74,126.41x = 4,237,069,431.34
  5. Step 5: Solve for x
    x = 4,237,069,431.34/74,126.41
  6. Step 6: Final answer
    x = 57,160.05

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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.