Home / 76,266.90-105,238.26-42,273.63

Finding the Fourth Proportional to 76,266.90, 105,238.26 and 42,273.63

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Solution

The fourth proportional to 76,266.90, 105,238.26 and 42,273.63 is: 58,332.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.90 : 105,238.26 = 42,273.63 : x
  2. Step 2: Convert to fraction form
    76,266.90/105,238.26 = 42,273.63/x
  3. Step 3: Cross multiply
    76,266.90x = 105,238.26 × 42,273.63
  4. Step 4: Simplify right side
    76,266.90x = 4,448,803,265.08
  5. Step 5: Solve for x
    x = 4,448,803,265.08/76,266.90
  6. Step 6: Final answer
    x = 58,332.03

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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.