Home / 64,728.07-96,967.69-39,695.11

Finding the Fourth Proportional to 64,728.07, 96,967.69 and 39,695.11

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Solution

The fourth proportional to 64,728.07, 96,967.69 and 39,695.11 is: 59,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728.07 : 96,967.69 = 39,695.11 : x
  2. Step 2: Convert to fraction form
    64,728.07/96,967.69 = 39,695.11/x
  3. Step 3: Cross multiply
    64,728.07x = 96,967.69 × 39,695.11
  4. Step 4: Simplify right side
    64,728.07x = 3,849,142,779.34
  5. Step 5: Solve for x
    x = 3,849,142,779.34/64,728.07
  6. Step 6: Final answer
    x = 59,466.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.