Home / 70,329.09-97,054.61-40,114.10

Finding the Fourth Proportional to 70,329.09, 97,054.61 and 40,114.10

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Solution

The fourth proportional to 70,329.09, 97,054.61 and 40,114.10 is: 55,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.09 : 97,054.61 = 40,114.10 : x
  2. Step 2: Convert to fraction form
    70,329.09/97,054.61 = 40,114.10/x
  3. Step 3: Cross multiply
    70,329.09x = 97,054.61 × 40,114.10
  4. Step 4: Simplify right side
    70,329.09x = 3,893,258,373.07
  5. Step 5: Solve for x
    x = 3,893,258,373.07/70,329.09
  6. Step 6: Final answer
    x = 55,357.72

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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.