Home / 77,119.61-106,451.82-53,000.46

Finding the Fourth Proportional to 77,119.61, 106,451.82 and 53,000.46

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Solution

The fourth proportional to 77,119.61, 106,451.82 and 53,000.46 is: 73,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,119.61 : 106,451.82 = 53,000.46 : x
  2. Step 2: Convert to fraction form
    77,119.61/106,451.82 = 53,000.46/x
  3. Step 3: Cross multiply
    77,119.61x = 106,451.82 × 53,000.46
  4. Step 4: Simplify right side
    77,119.61x = 5,641,995,427.84
  5. Step 5: Solve for x
    x = 5,641,995,427.84/77,119.61
  6. Step 6: Final answer
    x = 73,159.03

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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.