Home / 77,653.06-107,153.82-45,395.22

Finding the Fourth Proportional to 77,653.06, 107,153.82 and 45,395.22

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Solution

The fourth proportional to 77,653.06, 107,153.82 and 45,395.22 is: 62,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653.06 : 107,153.82 = 45,395.22 : x
  2. Step 2: Convert to fraction form
    77,653.06/107,153.82 = 45,395.22/x
  3. Step 3: Cross multiply
    77,653.06x = 107,153.82 × 45,395.22
  4. Step 4: Simplify right side
    77,653.06x = 4,864,271,232.74
  5. Step 5: Solve for x
    x = 4,864,271,232.74/77,653.06
  6. Step 6: Final answer
    x = 62,641.08

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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.