Home / 52,629.68-72,619.80-31,407.68

Finding the Fourth Proportional to 52,629.68, 72,619.80 and 31,407.68

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Solution

The fourth proportional to 52,629.68, 72,619.80 and 31,407.68 is: 43,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,629.68 : 72,619.80 = 31,407.68 : x
  2. Step 2: Convert to fraction form
    52,629.68/72,619.80 = 31,407.68/x
  3. Step 3: Cross multiply
    52,629.68x = 72,619.80 × 31,407.68
  4. Step 4: Simplify right side
    52,629.68x = 2,280,819,440.06
  5. Step 5: Solve for x
    x = 2,280,819,440.06/52,629.68
  6. Step 6: Final answer
    x = 43,337.13

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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.