Home / 76,332.24-105,344.82-42,348.96

Finding the Fourth Proportional to 76,332.24, 105,344.82 and 42,348.96

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Solution

The fourth proportional to 76,332.24, 105,344.82 and 42,348.96 is: 58,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,332.24 : 105,344.82 = 42,348.96 : x
  2. Step 2: Convert to fraction form
    76,332.24/105,344.82 = 42,348.96/x
  3. Step 3: Cross multiply
    76,332.24x = 105,344.82 × 42,348.96
  4. Step 4: Simplify right side
    76,332.24x = 4,461,243,568.39
  5. Step 5: Solve for x
    x = 4,461,243,568.39/76,332.24
  6. Step 6: Final answer
    x = 58,445.08

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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.