Home / 76,401.30-105,434.70-42,410.46

Finding the Fourth Proportional to 76,401.30, 105,434.70 and 42,410.46

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Solution

The fourth proportional to 76,401.30, 105,434.70 and 42,410.46 is: 58,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,401.30 : 105,434.70 = 42,410.46 : x
  2. Step 2: Convert to fraction form
    76,401.30/105,434.70 = 42,410.46/x
  3. Step 3: Cross multiply
    76,401.30x = 105,434.70 × 42,410.46
  4. Step 4: Simplify right side
    76,401.30x = 4,471,534,126.96
  5. Step 5: Solve for x
    x = 4,471,534,126.96/76,401.30
  6. Step 6: Final answer
    x = 58,526.94

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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.