Home / 83,699.43-125,442.37-39,228.20

Finding the Fourth Proportional to 83,699.43, 125,442.37 and 39,228.20

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Solution

The fourth proportional to 83,699.43, 125,442.37 and 39,228.20 is: 58,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,699.43 : 125,442.37 = 39,228.20 : x
  2. Step 2: Convert to fraction form
    83,699.43/125,442.37 = 39,228.20/x
  3. Step 3: Cross multiply
    83,699.43x = 125,442.37 × 39,228.20
  4. Step 4: Simplify right side
    83,699.43x = 4,920,878,271.07
  5. Step 5: Solve for x
    x = 4,920,878,271.07/83,699.43
  6. Step 6: Final answer
    x = 58,792.26

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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.