Home / 70,349.86-97,090.59-40,142.62

Finding the Fourth Proportional to 70,349.86, 97,090.59 and 40,142.62

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Solution

The fourth proportional to 70,349.86, 97,090.59 and 40,142.62 is: 55,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.86 : 97,090.59 = 40,142.62 : x
  2. Step 2: Convert to fraction form
    70,349.86/97,090.59 = 40,142.62/x
  3. Step 3: Cross multiply
    70,349.86x = 97,090.59 × 40,142.62
  4. Step 4: Simplify right side
    70,349.86x = 3,897,470,659.95
  5. Step 5: Solve for x
    x = 3,897,470,659.95/70,349.86
  6. Step 6: Final answer
    x = 55,401.26

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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.