Home / 77,814.02-107,384.37-45,568.73

Finding the Fourth Proportional to 77,814.02, 107,384.37 and 45,568.73

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Solution

The fourth proportional to 77,814.02, 107,384.37 and 45,568.73 is: 62,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.02 : 107,384.37 = 45,568.73 : x
  2. Step 2: Convert to fraction form
    77,814.02/107,384.37 = 45,568.73/x
  3. Step 3: Cross multiply
    77,814.02x = 107,384.37 × 45,568.73
  4. Step 4: Simplify right side
    77,814.02x = 4,893,369,631.21
  5. Step 5: Solve for x
    x = 4,893,369,631.21/77,814.02
  6. Step 6: Final answer
    x = 62,885.45

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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.