Home / 74,841.17-103,280.81-51,009.47

Finding the Fourth Proportional to 74,841.17, 103,280.81 and 51,009.47

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Solution

The fourth proportional to 74,841.17, 103,280.81 and 51,009.47 is: 70,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.17 : 103,280.81 = 51,009.47 : x
  2. Step 2: Convert to fraction form
    74,841.17/103,280.81 = 51,009.47/x
  3. Step 3: Cross multiply
    74,841.17x = 103,280.81 × 51,009.47
  4. Step 4: Simplify right side
    74,841.17x = 5,268,299,765.00
  5. Step 5: Solve for x
    x = 5,268,299,765.00/74,841.17
  6. Step 6: Final answer
    x = 70,393.08

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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.