Home / 93,985.65-129,707.07-53,698.55

Finding the Fourth Proportional to 93,985.65, 129,707.07 and 53,698.55

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Solution

The fourth proportional to 93,985.65, 129,707.07 and 53,698.55 is: 74,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.65 : 129,707.07 = 53,698.55 : x
  2. Step 2: Convert to fraction form
    93,985.65/129,707.07 = 53,698.55/x
  3. Step 3: Cross multiply
    93,985.65x = 129,707.07 × 53,698.55
  4. Step 4: Simplify right side
    93,985.65x = 6,965,081,583.75
  5. Step 5: Solve for x
    x = 6,965,081,583.75/93,985.65
  6. Step 6: Final answer
    x = 74,107.93

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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.