Home / 70,810.53-97,719.39-38,981.58

Finding the Fourth Proportional to 70,810.53, 97,719.39 and 38,981.58

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Solution

The fourth proportional to 70,810.53, 97,719.39 and 38,981.58 is: 53,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,810.53 : 97,719.39 = 38,981.58 : x
  2. Step 2: Convert to fraction form
    70,810.53/97,719.39 = 38,981.58/x
  3. Step 3: Cross multiply
    70,810.53x = 97,719.39 × 38,981.58
  4. Step 4: Simplify right side
    70,810.53x = 3,809,256,218.84
  5. Step 5: Solve for x
    x = 3,809,256,218.84/70,810.53
  6. Step 6: Final answer
    x = 53,795.05

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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.