Home / 70,686.10-97,538.61-42,006.97

Finding the Fourth Proportional to 70,686.10, 97,538.61 and 42,006.97

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Solution

The fourth proportional to 70,686.10, 97,538.61 and 42,006.97 is: 57,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,686.10 : 97,538.61 = 42,006.97 : x
  2. Step 2: Convert to fraction form
    70,686.10/97,538.61 = 42,006.97/x
  3. Step 3: Cross multiply
    70,686.10x = 97,538.61 × 42,006.97
  4. Step 4: Simplify right side
    70,686.10x = 4,097,301,464.11
  5. Step 5: Solve for x
    x = 4,097,301,464.11/70,686.10
  6. Step 6: Final answer
    x = 57,964.74

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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.