Home / 70,929.36-97,881.47-39,097.57

Finding the Fourth Proportional to 70,929.36, 97,881.47 and 39,097.57

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Solution

The fourth proportional to 70,929.36, 97,881.47 and 39,097.57 is: 53,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.36 : 97,881.47 = 39,097.57 : x
  2. Step 2: Convert to fraction form
    70,929.36/97,881.47 = 39,097.57/x
  3. Step 3: Cross multiply
    70,929.36x = 97,881.47 × 39,097.57
  4. Step 4: Simplify right side
    70,929.36x = 3,826,927,625.03
  5. Step 5: Solve for x
    x = 3,826,927,625.03/70,929.36
  6. Step 6: Final answer
    x = 53,954.07

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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.