Home / 111,574.02-153,927.63-71,277.33

Finding the Fourth Proportional to 111,574.02, 153,927.63 and 71,277.33

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Solution

The fourth proportional to 111,574.02, 153,927.63 and 71,277.33 is: 98,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,574.02 : 153,927.63 = 71,277.33 : x
  2. Step 2: Convert to fraction form
    111,574.02/153,927.63 = 71,277.33/x
  3. Step 3: Cross multiply
    111,574.02x = 153,927.63 × 71,277.33
  4. Step 4: Simplify right side
    111,574.02x = 10,971,550,479.63
  5. Step 5: Solve for x
    x = 10,971,550,479.63/111,574.02
  6. Step 6: Final answer
    x = 98,334.28

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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.