Home / 70,943.45-97,899.94-39,112.37

Finding the Fourth Proportional to 70,943.45, 97,899.94 and 39,112.37

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Solution

The fourth proportional to 70,943.45, 97,899.94 and 39,112.37 is: 53,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.45 : 97,899.94 = 39,112.37 : x
  2. Step 2: Convert to fraction form
    70,943.45/97,899.94 = 39,112.37/x
  3. Step 3: Cross multiply
    70,943.45x = 97,899.94 × 39,112.37
  4. Step 4: Simplify right side
    70,943.45x = 3,829,098,602.77
  5. Step 5: Solve for x
    x = 3,829,098,602.77/70,943.45
  6. Step 6: Final answer
    x = 53,973.96

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1.5x scale

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.