Home / 64,074.36-88,427.50-47,156.06

Finding the Fourth Proportional to 64,074.36, 88,427.50 and 47,156.06

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Solution

The fourth proportional to 64,074.36, 88,427.50 and 47,156.06 is: 65,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074.36 : 88,427.50 = 47,156.06 : x
  2. Step 2: Convert to fraction form
    64,074.36/88,427.50 = 47,156.06/x
  3. Step 3: Cross multiply
    64,074.36x = 88,427.50 × 47,156.06
  4. Step 4: Simplify right side
    64,074.36x = 4,169,892,495.65
  5. Step 5: Solve for x
    x = 4,169,892,495.65/64,074.36
  6. Step 6: Final answer
    x = 65,078.96

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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.