Home / 70,578.06-97,397.88-38,749.01

Finding the Fourth Proportional to 70,578.06, 97,397.88 and 38,749.01

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Solution

The fourth proportional to 70,578.06, 97,397.88 and 38,749.01 is: 53,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,578.06 : 97,397.88 = 38,749.01 : x
  2. Step 2: Convert to fraction form
    70,578.06/97,397.88 = 38,749.01/x
  3. Step 3: Cross multiply
    70,578.06x = 97,397.88 × 38,749.01
  4. Step 4: Simplify right side
    70,578.06x = 3,774,070,939.11
  5. Step 5: Solve for x
    x = 3,774,070,939.11/70,578.06
  6. Step 6: Final answer
    x = 53,473.72

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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.