Home / 77,570.21-107,043.28-43,113.35

Finding the Fourth Proportional to 77,570.21, 107,043.28 and 43,113.35

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Solution

The fourth proportional to 77,570.21, 107,043.28 and 43,113.35 is: 59,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.21 : 107,043.28 = 43,113.35 : x
  2. Step 2: Convert to fraction form
    77,570.21/107,043.28 = 43,113.35/x
  3. Step 3: Cross multiply
    77,570.21x = 107,043.28 × 43,113.35
  4. Step 4: Simplify right side
    77,570.21x = 4,614,994,555.61
  5. Step 5: Solve for x
    x = 4,614,994,555.61/77,570.21
  6. Step 6: Final answer
    x = 59,494.42

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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.