Home / 65,872.51-98,907.18-64,888.36

Finding the Fourth Proportional to 65,872.51, 98,907.18 and 64,888.36

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Solution

The fourth proportional to 65,872.51, 98,907.18 and 64,888.36 is: 97,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,872.51 : 98,907.18 = 64,888.36 : x
  2. Step 2: Convert to fraction form
    65,872.51/98,907.18 = 64,888.36/x
  3. Step 3: Cross multiply
    65,872.51x = 98,907.18 × 64,888.36
  4. Step 4: Simplify right side
    65,872.51x = 6,417,924,702.42
  5. Step 5: Solve for x
    x = 6,417,924,702.42/65,872.51
  6. Step 6: Final answer
    x = 97,429.48

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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.