Home / 94,018.96-129,749.53-51,578.74

Finding the Fourth Proportional to 94,018.96, 129,749.53 and 51,578.74

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Solution

The fourth proportional to 94,018.96, 129,749.53 and 51,578.74 is: 71,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,018.96 : 129,749.53 = 51,578.74 : x
  2. Step 2: Convert to fraction form
    94,018.96/129,749.53 = 51,578.74/x
  3. Step 3: Cross multiply
    94,018.96x = 129,749.53 × 51,578.74
  4. Step 4: Simplify right side
    94,018.96x = 6,692,316,624.24
  5. Step 5: Solve for x
    x = 6,692,316,624.24/94,018.96
  6. Step 6: Final answer
    x = 71,180.50

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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.