Home / 62,915.90-86,818.64-37,070.34

Finding the Fourth Proportional to 62,915.90, 86,818.64 and 37,070.34

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Solution

The fourth proportional to 62,915.90, 86,818.64 and 37,070.34 is: 51,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,915.90 : 86,818.64 = 37,070.34 : x
  2. Step 2: Convert to fraction form
    62,915.90/86,818.64 = 37,070.34/x
  3. Step 3: Cross multiply
    62,915.90x = 86,818.64 × 37,070.34
  4. Step 4: Simplify right side
    62,915.90x = 3,218,396,503.14
  5. Step 5: Solve for x
    x = 3,218,396,503.14/62,915.90
  6. Step 6: Final answer
    x = 51,153.95

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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.