Home / 56,668.37-78,204.23-31,177.67

Finding the Fourth Proportional to 56,668.37, 78,204.23 and 31,177.67

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Solution

The fourth proportional to 56,668.37, 78,204.23 and 31,177.67 is: 43,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,668.37 : 78,204.23 = 31,177.67 : x
  2. Step 2: Convert to fraction form
    56,668.37/78,204.23 = 31,177.67/x
  3. Step 3: Cross multiply
    56,668.37x = 78,204.23 × 31,177.67
  4. Step 4: Simplify right side
    56,668.37x = 2,438,225,128.63
  5. Step 5: Solve for x
    x = 2,438,225,128.63/56,668.37
  6. Step 6: Final answer
    x = 43,026.21

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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.