Home / 85,576.44-128,364.21-23,246.94

Finding the Fourth Proportional to 85,576.44, 128,364.21 and 23,246.94

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Solution

The fourth proportional to 85,576.44, 128,364.21 and 23,246.94 is: 34,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,576.44 : 128,364.21 = 23,246.94 : x
  2. Step 2: Convert to fraction form
    85,576.44/128,364.21 = 23,246.94/x
  3. Step 3: Cross multiply
    85,576.44x = 128,364.21 × 23,246.94
  4. Step 4: Simplify right side
    85,576.44x = 2,984,075,088.02
  5. Step 5: Solve for x
    x = 2,984,075,088.02/85,576.44
  6. Step 6: Final answer
    x = 34,870.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.