Home / 76,008.04-104,920.67-68,036.42

Finding the Fourth Proportional to 76,008.04, 104,920.67 and 68,036.42

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Solution

The fourth proportional to 76,008.04, 104,920.67 and 68,036.42 is: 93,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,008.04 : 104,920.67 = 68,036.42 : x
  2. Step 2: Convert to fraction form
    76,008.04/104,920.67 = 68,036.42/x
  3. Step 3: Cross multiply
    76,008.04x = 104,920.67 × 68,036.42
  4. Step 4: Simplify right side
    76,008.04x = 7,138,426,820.49
  5. Step 5: Solve for x
    x = 7,138,426,820.49/76,008.04
  6. Step 6: Final answer
    x = 93,916.74

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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.