Home / 62,830.95-86,625.86-51,458.55

Finding the Fourth Proportional to 62,830.95, 86,625.86 and 51,458.55

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Solution

The fourth proportional to 62,830.95, 86,625.86 and 51,458.55 is: 70,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,830.95 : 86,625.86 = 51,458.55 : x
  2. Step 2: Convert to fraction form
    62,830.95/86,625.86 = 51,458.55/x
  3. Step 3: Cross multiply
    62,830.95x = 86,625.86 × 51,458.55
  4. Step 4: Simplify right side
    62,830.95x = 4,457,641,148.10
  5. Step 5: Solve for x
    x = 4,457,641,148.10/62,830.95
  6. Step 6: Final answer
    x = 70,946.58

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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.