Home / 78,929.34-108,926.38-44,938.50

Finding the Fourth Proportional to 78,929.34, 108,926.38 and 44,938.50

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Solution

The fourth proportional to 78,929.34, 108,926.38 and 44,938.50 is: 62,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,929.34 : 108,926.38 = 44,938.50 : x
  2. Step 2: Convert to fraction form
    78,929.34/108,926.38 = 44,938.50/x
  3. Step 3: Cross multiply
    78,929.34x = 108,926.38 × 44,938.50
  4. Step 4: Simplify right side
    78,929.34x = 4,894,988,127.63
  5. Step 5: Solve for x
    x = 4,894,988,127.63/78,929.34
  6. Step 6: Final answer
    x = 62,017.35

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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.