Home / 103,663.19-143,055.06-58,341.50

Finding the Fourth Proportional to 103,663.19, 143,055.06 and 58,341.50

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Solution

The fourth proportional to 103,663.19, 143,055.06 and 58,341.50 is: 80,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.19 : 143,055.06 = 58,341.50 : x
  2. Step 2: Convert to fraction form
    103,663.19/143,055.06 = 58,341.50/x
  3. Step 3: Cross multiply
    103,663.19x = 143,055.06 × 58,341.50
  4. Step 4: Simplify right side
    103,663.19x = 8,346,046,067.71
  5. Step 5: Solve for x
    x = 8,346,046,067.71/103,663.19
  6. Step 6: Final answer
    x = 80,511.19

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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.