Home / 91,070.21-125,676.32-50,784.46

Finding the Fourth Proportional to 91,070.21, 125,676.32 and 50,784.46

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Solution

The fourth proportional to 91,070.21, 125,676.32 and 50,784.46 is: 70,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,070.21 : 125,676.32 = 50,784.46 : x
  2. Step 2: Convert to fraction form
    91,070.21/125,676.32 = 50,784.46/x
  3. Step 3: Cross multiply
    91,070.21x = 125,676.32 × 50,784.46
  4. Step 4: Simplify right side
    91,070.21x = 6,382,404,045.99
  5. Step 5: Solve for x
    x = 6,382,404,045.99/91,070.21
  6. Step 6: Final answer
    x = 70,082.24

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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.