Home / 77,833.14-107,423.73-61,036.98

Finding the Fourth Proportional to 77,833.14, 107,423.73 and 61,036.98

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Solution

The fourth proportional to 77,833.14, 107,423.73 and 61,036.98 is: 84,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,833.14 : 107,423.73 = 61,036.98 : x
  2. Step 2: Convert to fraction form
    77,833.14/107,423.73 = 61,036.98/x
  3. Step 3: Cross multiply
    77,833.14x = 107,423.73 × 61,036.98
  4. Step 4: Simplify right side
    77,833.14x = 6,556,820,059.54
  5. Step 5: Solve for x
    x = 6,556,820,059.54/77,833.14
  6. Step 6: Final answer
    x = 84,242.01

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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.