Home / 77,779.74-107,307.97-50,937.56

Finding the Fourth Proportional to 77,779.74, 107,307.97 and 50,937.56

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Solution

The fourth proportional to 77,779.74, 107,307.97 and 50,937.56 is: 70,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,779.74 : 107,307.97 = 50,937.56 : x
  2. Step 2: Convert to fraction form
    77,779.74/107,307.97 = 50,937.56/x
  3. Step 3: Cross multiply
    77,779.74x = 107,307.97 × 50,937.56
  4. Step 4: Simplify right side
    77,779.74x = 5,466,005,623.81
  5. Step 5: Solve for x
    x = 5,466,005,623.81/77,779.74
  6. Step 6: Final answer
    x = 70,275.44

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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.