Home / 85,938.95-128,823.65-36,033.23

Finding the Fourth Proportional to 85,938.95, 128,823.65 and 36,033.23

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Solution

The fourth proportional to 85,938.95, 128,823.65 and 36,033.23 is: 54,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.95 : 128,823.65 = 36,033.23 : x
  2. Step 2: Convert to fraction form
    85,938.95/128,823.65 = 36,033.23/x
  3. Step 3: Cross multiply
    85,938.95x = 128,823.65 × 36,033.23
  4. Step 4: Simplify right side
    85,938.95x = 4,641,932,486.91
  5. Step 5: Solve for x
    x = 4,641,932,486.91/85,938.95
  6. Step 6: Final answer
    x = 54,014.30

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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.