Home / 72,948.06-109,232.28-62,485.20

Finding the Fourth Proportional to 72,948.06, 109,232.28 and 62,485.20

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Solution

The fourth proportional to 72,948.06, 109,232.28 and 62,485.20 is: 93,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,948.06 : 109,232.28 = 62,485.20 : x
  2. Step 2: Convert to fraction form
    72,948.06/109,232.28 = 62,485.20/x
  3. Step 3: Cross multiply
    72,948.06x = 109,232.28 × 62,485.20
  4. Step 4: Simplify right side
    72,948.06x = 6,825,400,862.26
  5. Step 5: Solve for x
    x = 6,825,400,862.26/72,948.06
  6. Step 6: Final answer
    x = 93,565.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.