Home / 103,595.49-155,357.91-40,410.63

Finding the Fourth Proportional to 103,595.49, 155,357.91 and 40,410.63

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Solution

The fourth proportional to 103,595.49, 155,357.91 and 40,410.63 is: 60,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.49 : 155,357.91 = 40,410.63 : x
  2. Step 2: Convert to fraction form
    103,595.49/155,357.91 = 40,410.63/x
  3. Step 3: Cross multiply
    103,595.49x = 155,357.91 × 40,410.63
  4. Step 4: Simplify right side
    103,595.49x = 6,278,111,018.58
  5. Step 5: Solve for x
    x = 6,278,111,018.58/103,595.49
  6. Step 6: Final answer
    x = 60,602.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.