Home / 85,941.56-118,572.76-50,106.20

Finding the Fourth Proportional to 85,941.56, 118,572.76 and 50,106.20

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Solution

The fourth proportional to 85,941.56, 118,572.76 and 50,106.20 is: 69,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,941.56 : 118,572.76 = 50,106.20 : x
  2. Step 2: Convert to fraction form
    85,941.56/118,572.76 = 50,106.20/x
  3. Step 3: Cross multiply
    85,941.56x = 118,572.76 × 50,106.20
  4. Step 4: Simplify right side
    85,941.56x = 5,941,230,427.11
  5. Step 5: Solve for x
    x = 5,941,230,427.11/85,941.56
  6. Step 6: Final answer
    x = 69,131.05

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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.