Home / 70,630.84-97,427.36-41,931.02

Finding the Fourth Proportional to 70,630.84, 97,427.36 and 41,931.02

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Solution

The fourth proportional to 70,630.84, 97,427.36 and 41,931.02 is: 57,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.84 : 97,427.36 = 41,931.02 : x
  2. Step 2: Convert to fraction form
    70,630.84/97,427.36 = 41,931.02/x
  3. Step 3: Cross multiply
    70,630.84x = 97,427.36 × 41,931.02
  4. Step 4: Simplify right side
    70,630.84x = 4,085,228,145.21
  5. Step 5: Solve for x
    x = 4,085,228,145.21/70,630.84
  6. Step 6: Final answer
    x = 57,839.16

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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.