Home / 68,547.40-102,536.80-64,348.36

Finding the Fourth Proportional to 68,547.40, 102,536.80 and 64,348.36

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Solution

The fourth proportional to 68,547.40, 102,536.80 and 64,348.36 is: 96,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,547.40 : 102,536.80 = 64,348.36 : x
  2. Step 2: Convert to fraction form
    68,547.40/102,536.80 = 64,348.36/x
  3. Step 3: Cross multiply
    68,547.40x = 102,536.80 × 64,348.36
  4. Step 4: Simplify right side
    68,547.40x = 6,598,074,919.65
  5. Step 5: Solve for x
    x = 6,598,074,919.65/68,547.40
  6. Step 6: Final answer
    x = 96,255.66

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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.