Home / 77,974.98-107,605.55-45,703.16

Finding the Fourth Proportional to 77,974.98, 107,605.55 and 45,703.16

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Solution

The fourth proportional to 77,974.98, 107,605.55 and 45,703.16 is: 63,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.98 : 107,605.55 = 45,703.16 : x
  2. Step 2: Convert to fraction form
    77,974.98/107,605.55 = 45,703.16/x
  3. Step 3: Cross multiply
    77,974.98x = 107,605.55 × 45,703.16
  4. Step 4: Simplify right side
    77,974.98x = 4,917,913,709.04
  5. Step 5: Solve for x
    x = 4,917,913,709.04/77,974.98
  6. Step 6: Final answer
    x = 63,070.41

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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.