Home / 93,106.08-139,726.80-69,795.36

Finding the Fourth Proportional to 93,106.08, 139,726.80 and 69,795.36

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Solution

The fourth proportional to 93,106.08, 139,726.80 and 69,795.36 is: 104,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,106.08 : 139,726.80 = 69,795.36 : x
  2. Step 2: Convert to fraction form
    93,106.08/139,726.80 = 69,795.36/x
  3. Step 3: Cross multiply
    93,106.08x = 139,726.80 × 69,795.36
  4. Step 4: Simplify right side
    93,106.08x = 9,752,282,307.65
  5. Step 5: Solve for x
    x = 9,752,282,307.65/93,106.08
  6. Step 6: Final answer
    x = 104,743.78

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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.