Home / 77,922.14-107,507.23-47,675.93

Finding the Fourth Proportional to 77,922.14, 107,507.23 and 47,675.93

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Solution

The fourth proportional to 77,922.14, 107,507.23 and 47,675.93 is: 65,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922.14 : 107,507.23 = 47,675.93 : x
  2. Step 2: Convert to fraction form
    77,922.14/107,507.23 = 47,675.93/x
  3. Step 3: Cross multiply
    77,922.14x = 107,507.23 × 47,675.93
  4. Step 4: Simplify right side
    77,922.14x = 5,125,506,515.25
  5. Step 5: Solve for x
    x = 5,125,506,515.25/77,922.14
  6. Step 6: Final answer
    x = 65,777.29

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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.