Home / 76,426.13-113,941.53-74,483.91

Finding the Fourth Proportional to 76,426.13, 113,941.53 and 74,483.91

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Solution

The fourth proportional to 76,426.13, 113,941.53 and 74,483.91 is: 111,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426.13 : 113,941.53 = 74,483.91 : x
  2. Step 2: Convert to fraction form
    76,426.13/113,941.53 = 74,483.91/x
  3. Step 3: Cross multiply
    76,426.13x = 113,941.53 × 74,483.91
  4. Step 4: Simplify right side
    76,426.13x = 8,486,810,665.78
  5. Step 5: Solve for x
    x = 8,486,810,665.78/76,426.13
  6. Step 6: Final answer
    x = 111,045.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.