Home / 75,218.64-103,768.32-48,356.16

Finding the Fourth Proportional to 75,218.64, 103,768.32 and 48,356.16

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Solution

The fourth proportional to 75,218.64, 103,768.32 and 48,356.16 is: 66,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.64 : 103,768.32 = 48,356.16 : x
  2. Step 2: Convert to fraction form
    75,218.64/103,768.32 = 48,356.16/x
  3. Step 3: Cross multiply
    75,218.64x = 103,768.32 × 48,356.16
  4. Step 4: Simplify right side
    75,218.64x = 5,017,837,484.85
  5. Step 5: Solve for x
    x = 5,017,837,484.85/75,218.64
  6. Step 6: Final answer
    x = 66,710.03

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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.