Home / 83,915.10-125,872.65-46,590.30

Finding the Fourth Proportional to 83,915.10, 125,872.65 and 46,590.30

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Solution

The fourth proportional to 83,915.10, 125,872.65 and 46,590.30 is: 69,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,915.10 : 125,872.65 = 46,590.30 : x
  2. Step 2: Convert to fraction form
    83,915.10/125,872.65 = 46,590.30/x
  3. Step 3: Cross multiply
    83,915.10x = 125,872.65 × 46,590.30
  4. Step 4: Simplify right side
    83,915.10x = 5,864,444,525.30
  5. Step 5: Solve for x
    x = 5,864,444,525.30/83,915.10
  6. Step 6: Final answer
    x = 69,885.45

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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.