Home / 74,342.08-102,593.59-42,076.70

Finding the Fourth Proportional to 74,342.08, 102,593.59 and 42,076.70

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Solution

The fourth proportional to 74,342.08, 102,593.59 and 42,076.70 is: 58,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.08 : 102,593.59 = 42,076.70 : x
  2. Step 2: Convert to fraction form
    74,342.08/102,593.59 = 42,076.70/x
  3. Step 3: Cross multiply
    74,342.08x = 102,593.59 × 42,076.70
  4. Step 4: Simplify right side
    74,342.08x = 4,316,799,195.39
  5. Step 5: Solve for x
    x = 4,316,799,195.39/74,342.08
  6. Step 6: Final answer
    x = 58,066.70

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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.