Home / 58,918.95-81,308.04-33,430.32

Finding the Fourth Proportional to 58,918.95, 81,308.04 and 33,430.32

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Solution

The fourth proportional to 58,918.95, 81,308.04 and 33,430.32 is: 46,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.95 : 81,308.04 = 33,430.32 : x
  2. Step 2: Convert to fraction form
    58,918.95/81,308.04 = 33,430.32/x
  3. Step 3: Cross multiply
    58,918.95x = 81,308.04 × 33,430.32
  4. Step 4: Simplify right side
    58,918.95x = 2,718,153,795.77
  5. Step 5: Solve for x
    x = 2,718,153,795.77/58,918.95
  6. Step 6: Final answer
    x = 46,133.78

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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.