Home / 111,106.02-153,327.51-63,362.19

Finding the Fourth Proportional to 111,106.02, 153,327.51 and 63,362.19

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Solution

The fourth proportional to 111,106.02, 153,327.51 and 63,362.19 is: 87,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,106.02 : 153,327.51 = 63,362.19 : x
  2. Step 2: Convert to fraction form
    111,106.02/153,327.51 = 63,362.19/x
  3. Step 3: Cross multiply
    111,106.02x = 153,327.51 × 63,362.19
  4. Step 4: Simplify right side
    111,106.02x = 9,715,166,820.85
  5. Step 5: Solve for x
    x = 9,715,166,820.85/111,106.02
  6. Step 6: Final answer
    x = 87,440.51

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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.