Home / 111,527.07-153,903.20-63,779.19

Finding the Fourth Proportional to 111,527.07, 153,903.20 and 63,779.19

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Solution

The fourth proportional to 111,527.07, 153,903.20 and 63,779.19 is: 88,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,527.07 : 153,903.20 = 63,779.19 : x
  2. Step 2: Convert to fraction form
    111,527.07/153,903.20 = 63,779.19/x
  3. Step 3: Cross multiply
    111,527.07x = 153,903.20 × 63,779.19
  4. Step 4: Simplify right side
    111,527.07x = 9,815,821,434.41
  5. Step 5: Solve for x
    x = 9,815,821,434.41/111,527.07
  6. Step 6: Final answer
    x = 88,012.91

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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.