Home / 70,890.31-97,828.63-39,058.93

Finding the Fourth Proportional to 70,890.31, 97,828.63 and 39,058.93

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Solution

The fourth proportional to 70,890.31, 97,828.63 and 39,058.93 is: 53,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.31 : 97,828.63 = 39,058.93 : x
  2. Step 2: Convert to fraction form
    70,890.31/97,828.63 = 39,058.93/x
  3. Step 3: Cross multiply
    70,890.31x = 97,828.63 × 39,058.93
  4. Step 4: Simplify right side
    70,890.31x = 3,821,081,268.95
  5. Step 5: Solve for x
    x = 3,821,081,268.95/70,890.31
  6. Step 6: Final answer
    x = 53,901.32

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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.