Home / 69,820.61-96,296.37-45,619.63

Finding the Fourth Proportional to 69,820.61, 96,296.37 and 45,619.63

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Solution

The fourth proportional to 69,820.61, 96,296.37 and 45,619.63 is: 62,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,820.61 : 96,296.37 = 45,619.63 : x
  2. Step 2: Convert to fraction form
    69,820.61/96,296.37 = 45,619.63/x
  3. Step 3: Cross multiply
    69,820.61x = 96,296.37 × 45,619.63
  4. Step 4: Simplify right side
    69,820.61x = 4,393,004,769.74
  5. Step 5: Solve for x
    x = 4,393,004,769.74/69,820.61
  6. Step 6: Final answer
    x = 62,918.45

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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.