Home / 72,984.06-100,710.09-42,763.32

Finding the Fourth Proportional to 72,984.06, 100,710.09 and 42,763.32

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Solution

The fourth proportional to 72,984.06, 100,710.09 and 42,763.32 is: 59,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,984.06 : 100,710.09 = 42,763.32 : x
  2. Step 2: Convert to fraction form
    72,984.06/100,710.09 = 42,763.32/x
  3. Step 3: Cross multiply
    72,984.06x = 100,710.09 × 42,763.32
  4. Step 4: Simplify right side
    72,984.06x = 4,306,697,805.90
  5. Step 5: Solve for x
    x = 4,306,697,805.90/72,984.06
  6. Step 6: Final answer
    x = 59,008.75

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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.