Home / 84,308.08-116,368.32-52,457.98

Finding the Fourth Proportional to 84,308.08, 116,368.32 and 52,457.98

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Solution

The fourth proportional to 84,308.08, 116,368.32 and 52,457.98 is: 72,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.08 : 116,368.32 = 52,457.98 : x
  2. Step 2: Convert to fraction form
    84,308.08/116,368.32 = 52,457.98/x
  3. Step 3: Cross multiply
    84,308.08x = 116,368.32 × 52,457.98
  4. Step 4: Simplify right side
    84,308.08x = 6,104,447,003.19
  5. Step 5: Solve for x
    x = 6,104,447,003.19/84,308.08
  6. Step 6: Final answer
    x = 72,406.43

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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.