Home / 64,902.08-89,566.80-39,737.36

Finding the Fourth Proportional to 64,902.08, 89,566.80 and 39,737.36

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Solution

The fourth proportional to 64,902.08, 89,566.80 and 39,737.36 is: 54,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.08 : 89,566.80 = 39,737.36 : x
  2. Step 2: Convert to fraction form
    64,902.08/89,566.80 = 39,737.36/x
  3. Step 3: Cross multiply
    64,902.08x = 89,566.80 × 39,737.36
  4. Step 4: Simplify right side
    64,902.08x = 3,559,148,175.65
  5. Step 5: Solve for x
    x = 3,559,148,175.65/64,902.08
  6. Step 6: Final answer
    x = 54,838.74

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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.