Home / 77,101.16-106,402.18-43,569.32

Finding the Fourth Proportional to 77,101.16, 106,402.18 and 43,569.32

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Solution

The fourth proportional to 77,101.16, 106,402.18 and 43,569.32 is: 60,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,101.16 : 106,402.18 = 43,569.32 : x
  2. Step 2: Convert to fraction form
    77,101.16/106,402.18 = 43,569.32/x
  3. Step 3: Cross multiply
    77,101.16x = 106,402.18 × 43,569.32
  4. Step 4: Simplify right side
    77,101.16x = 4,635,870,629.12
  5. Step 5: Solve for x
    x = 4,635,870,629.12/77,101.16
  6. Step 6: Final answer
    x = 60,127.12

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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.