Home / 70,708.08-97,577.40-38,878.98

Finding the Fourth Proportional to 70,708.08, 97,577.40 and 38,878.98

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Solution

The fourth proportional to 70,708.08, 97,577.40 and 38,878.98 is: 53,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,708.08 : 97,577.40 = 38,878.98 : x
  2. Step 2: Convert to fraction form
    70,708.08/97,577.40 = 38,878.98/x
  3. Step 3: Cross multiply
    70,708.08x = 97,577.40 × 38,878.98
  4. Step 4: Simplify right side
    70,708.08x = 3,793,709,783.05
  5. Step 5: Solve for x
    x = 3,793,709,783.05/70,708.08
  6. Step 6: Final answer
    x = 53,653.13

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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.