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Finding the Fourth Proportional to 75,173.77, 103,700.47 and 46,484.26

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Solution

The fourth proportional to 75,173.77, 103,700.47 and 46,484.26 is: 64,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,173.77 : 103,700.47 = 46,484.26 : x
  2. Step 2: Convert to fraction form
    75,173.77/103,700.47 = 46,484.26/x
  3. Step 3: Cross multiply
    75,173.77x = 103,700.47 × 46,484.26
  4. Step 4: Simplify right side
    75,173.77x = 4,820,438,858.68
  5. Step 5: Solve for x
    x = 4,820,438,858.68/75,173.77
  6. Step 6: Final answer
    x = 64,123.95

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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.