Home / 74,215.47-102,411.24-43,585.32

Finding the Fourth Proportional to 74,215.47, 102,411.24 and 43,585.32

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Solution

The fourth proportional to 74,215.47, 102,411.24 and 43,585.32 is: 60,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.47 : 102,411.24 = 43,585.32 : x
  2. Step 2: Convert to fraction form
    74,215.47/102,411.24 = 43,585.32/x
  3. Step 3: Cross multiply
    74,215.47x = 102,411.24 × 43,585.32
  4. Step 4: Simplify right side
    74,215.47x = 4,463,626,887.59
  5. Step 5: Solve for x
    x = 4,463,626,887.59/74,215.47
  6. Step 6: Final answer
    x = 60,144.15

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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.