Home / 72,292.33-99,820.79-48,116.53

Finding the Fourth Proportional to 72,292.33, 99,820.79 and 48,116.53

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Solution

The fourth proportional to 72,292.33, 99,820.79 and 48,116.53 is: 66,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292.33 : 99,820.79 = 48,116.53 : x
  2. Step 2: Convert to fraction form
    72,292.33/99,820.79 = 48,116.53/x
  3. Step 3: Cross multiply
    72,292.33x = 99,820.79 × 48,116.53
  4. Step 4: Simplify right side
    72,292.33x = 4,803,030,036.66
  5. Step 5: Solve for x
    x = 4,803,030,036.66/72,292.33
  6. Step 6: Final answer
    x = 66,439.00

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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.