Home / 61,980.02-85,532.98-33,685.78

Finding the Fourth Proportional to 61,980.02, 85,532.98 and 33,685.78

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Solution

The fourth proportional to 61,980.02, 85,532.98 and 33,685.78 is: 46,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.02 : 85,532.98 = 33,685.78 : x
  2. Step 2: Convert to fraction form
    61,980.02/85,532.98 = 33,685.78/x
  3. Step 3: Cross multiply
    61,980.02x = 85,532.98 × 33,685.78
  4. Step 4: Simplify right side
    61,980.02x = 2,881,245,147.02
  5. Step 5: Solve for x
    x = 2,881,245,147.02/61,980.02
  6. Step 6: Final answer
    x = 46,486.68

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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.