Home / 70,935.12-97,888.50-39,104.01

Finding the Fourth Proportional to 70,935.12, 97,888.50 and 39,104.01

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Solution

The fourth proportional to 70,935.12, 97,888.50 and 39,104.01 is: 53,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,935.12 : 97,888.50 = 39,104.01 : x
  2. Step 2: Convert to fraction form
    70,935.12/97,888.50 = 39,104.01/x
  3. Step 3: Cross multiply
    70,935.12x = 97,888.50 × 39,104.01
  4. Step 4: Simplify right side
    70,935.12x = 3,827,832,882.89
  5. Step 5: Solve for x
    x = 3,827,832,882.89/70,935.12
  6. Step 6: Final answer
    x = 53,962.45

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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.