Home / 83,984.30-115,895.96-45,742.98

Finding the Fourth Proportional to 83,984.30, 115,895.96 and 45,742.98

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Solution

The fourth proportional to 83,984.30, 115,895.96 and 45,742.98 is: 63,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984.30 : 115,895.96 = 45,742.98 : x
  2. Step 2: Convert to fraction form
    83,984.30/115,895.96 = 45,742.98/x
  3. Step 3: Cross multiply
    83,984.30x = 115,895.96 × 45,742.98
  4. Step 4: Simplify right side
    83,984.30x = 5,301,426,580.36
  5. Step 5: Solve for x
    x = 5,301,426,580.36/83,984.30
  6. Step 6: Final answer
    x = 63,124.02

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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.