Home / 97,031.69-133,859.48-70,131.59

Finding the Fourth Proportional to 97,031.69, 133,859.48 and 70,131.59

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Solution

The fourth proportional to 97,031.69, 133,859.48 and 70,131.59 is: 96,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,031.69 : 133,859.48 = 70,131.59 : x
  2. Step 2: Convert to fraction form
    97,031.69/133,859.48 = 70,131.59/x
  3. Step 3: Cross multiply
    97,031.69x = 133,859.48 × 70,131.59
  4. Step 4: Simplify right side
    97,031.69x = 9,387,777,149.02
  5. Step 5: Solve for x
    x = 9,387,777,149.02/97,031.69
  6. Step 6: Final answer
    x = 96,749.60

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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.