Home / 112,004.07-154,570.46-63,605.02

Finding the Fourth Proportional to 112,004.07, 154,570.46 and 63,605.02

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Solution

The fourth proportional to 112,004.07, 154,570.46 and 63,605.02 is: 87,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,004.07 : 154,570.46 = 63,605.02 : x
  2. Step 2: Convert to fraction form
    112,004.07/154,570.46 = 63,605.02/x
  3. Step 3: Cross multiply
    112,004.07x = 154,570.46 × 63,605.02
  4. Step 4: Simplify right side
    112,004.07x = 9,831,457,199.71
  5. Step 5: Solve for x
    x = 9,831,457,199.71/112,004.07
  6. Step 6: Final answer
    x = 87,777.68

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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.