Home / 74,873.01-103,434.06-64,783.94

Finding the Fourth Proportional to 74,873.01, 103,434.06 and 64,783.94

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Solution

The fourth proportional to 74,873.01, 103,434.06 and 64,783.94 is: 89,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.01 : 103,434.06 = 64,783.94 : x
  2. Step 2: Convert to fraction form
    74,873.01/103,434.06 = 64,783.94/x
  3. Step 3: Cross multiply
    74,873.01x = 103,434.06 × 64,783.94
  4. Step 4: Simplify right side
    74,873.01x = 6,700,865,929.17
  5. Step 5: Solve for x
    x = 6,700,865,929.17/74,873.01
  6. Step 6: Final answer
    x = 89,496.41

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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.