Home / 64,777.50-97,166.25-18,031.59

Finding the Fourth Proportional to 64,777.50, 97,166.25 and 18,031.59

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Solution

The fourth proportional to 64,777.50, 97,166.25 and 18,031.59 is: 27,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.50 : 97,166.25 = 18,031.59 : x
  2. Step 2: Convert to fraction form
    64,777.50/97,166.25 = 18,031.59/x
  3. Step 3: Cross multiply
    64,777.50x = 97,166.25 × 18,031.59
  4. Step 4: Simplify right side
    64,777.50x = 1,752,061,981.84
  5. Step 5: Solve for x
    x = 1,752,061,981.84/64,777.50
  6. Step 6: Final answer
    x = 27,047.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.