Home / 77,273.84-106,632.72-42,816.26

Finding the Fourth Proportional to 77,273.84, 106,632.72 and 42,816.26

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Solution

The fourth proportional to 77,273.84, 106,632.72 and 42,816.26 is: 59,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273.84 : 106,632.72 = 42,816.26 : x
  2. Step 2: Convert to fraction form
    77,273.84/106,632.72 = 42,816.26/x
  3. Step 3: Cross multiply
    77,273.84x = 106,632.72 × 42,816.26
  4. Step 4: Simplify right side
    77,273.84x = 4,565,614,264.03
  5. Step 5: Solve for x
    x = 4,565,614,264.03/77,273.84
  6. Step 6: Final answer
    x = 59,083.57

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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.