Home / 74,903.49-112,230-52,677.18

Finding the Fourth Proportional to 74,903.49, 112,230 and 52,677.18

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Solution

The fourth proportional to 74,903.49, 112,230 and 52,677.18 is: 78,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903.49 : 112,230 = 52,677.18 : x
  2. Step 2: Convert to fraction form
    74,903.49/112,230 = 52,677.18/x
  3. Step 3: Cross multiply
    74,903.49x = 112,230 × 52,677.18
  4. Step 4: Simplify right side
    74,903.49x = 5,911,959,911.40
  5. Step 5: Solve for x
    x = 5,911,959,911.40/74,903.49
  6. Step 6: Final answer
    x = 78,927.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.