Home / 111,277.73-153,555.99-70,987.17

Finding the Fourth Proportional to 111,277.73, 153,555.99 and 70,987.17

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Solution

The fourth proportional to 111,277.73, 153,555.99 and 70,987.17 is: 97,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.73 : 153,555.99 = 70,987.17 : x
  2. Step 2: Convert to fraction form
    111,277.73/153,555.99 = 70,987.17/x
  3. Step 3: Cross multiply
    111,277.73x = 153,555.99 × 70,987.17
  4. Step 4: Simplify right side
    111,277.73x = 10,900,505,166.65
  5. Step 5: Solve for x
    x = 10,900,505,166.65/111,277.73
  6. Step 6: Final answer
    x = 97,957.66

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1.5x scale

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.