Home / 74,708.04-103,104.36-55,812.36

Finding the Fourth Proportional to 74,708.04, 103,104.36 and 55,812.36

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Solution

The fourth proportional to 74,708.04, 103,104.36 and 55,812.36 is: 77,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.04 : 103,104.36 = 55,812.36 : x
  2. Step 2: Convert to fraction form
    74,708.04/103,104.36 = 55,812.36/x
  3. Step 3: Cross multiply
    74,708.04x = 103,104.36 × 55,812.36
  4. Step 4: Simplify right side
    74,708.04x = 5,754,497,657.89
  5. Step 5: Solve for x
    x = 5,754,497,657.89/74,708.04
  6. Step 6: Final answer
    x = 77,026.48

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1.5x scale

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.