Home / 64,970.14-89,662.40-45,856.03

Finding the Fourth Proportional to 64,970.14, 89,662.40 and 45,856.03

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Solution

The fourth proportional to 64,970.14, 89,662.40 and 45,856.03 is: 63,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,970.14 : 89,662.40 = 45,856.03 : x
  2. Step 2: Convert to fraction form
    64,970.14/89,662.40 = 45,856.03/x
  3. Step 3: Cross multiply
    64,970.14x = 89,662.40 × 45,856.03
  4. Step 4: Simplify right side
    64,970.14x = 4,111,561,704.27
  5. Step 5: Solve for x
    x = 4,111,561,704.27/64,970.14
  6. Step 6: Final answer
    x = 63,283.87

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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.