Home / 76,353.04-105,345.64-49,496.68

Finding the Fourth Proportional to 76,353.04, 105,345.64 and 49,496.68

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Solution

The fourth proportional to 76,353.04, 105,345.64 and 49,496.68 is: 68,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,353.04 : 105,345.64 = 49,496.68 : x
  2. Step 2: Convert to fraction form
    76,353.04/105,345.64 = 49,496.68/x
  3. Step 3: Cross multiply
    76,353.04x = 105,345.64 × 49,496.68
  4. Step 4: Simplify right side
    76,353.04x = 5,214,259,432.48
  5. Step 5: Solve for x
    x = 5,214,259,432.48/76,353.04
  6. Step 6: Final answer
    x = 68,291.45

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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.