Home / 94,001.86-129,739.16-55,782.48

Finding the Fourth Proportional to 94,001.86, 129,739.16 and 55,782.48

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Solution

The fourth proportional to 94,001.86, 129,739.16 and 55,782.48 is: 76,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,001.86 : 129,739.16 = 55,782.48 : x
  2. Step 2: Convert to fraction form
    94,001.86/129,739.16 = 55,782.48/x
  3. Step 3: Cross multiply
    94,001.86x = 129,739.16 × 55,782.48
  4. Step 4: Simplify right side
    94,001.86x = 7,237,172,305.53
  5. Step 5: Solve for x
    x = 7,237,172,305.53/94,001.86
  6. Step 6: Final answer
    x = 76,989.67

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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.