Home / 70,210.76-105,330.26-25,837.75

Finding the Fourth Proportional to 70,210.76, 105,330.26 and 25,837.75

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Solution

The fourth proportional to 70,210.76, 105,330.26 and 25,837.75 is: 38,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.76 : 105,330.26 = 25,837.75 : x
  2. Step 2: Convert to fraction form
    70,210.76/105,330.26 = 25,837.75/x
  3. Step 3: Cross multiply
    70,210.76x = 105,330.26 × 25,837.75
  4. Step 4: Simplify right side
    70,210.76x = 2,721,496,925.32
  5. Step 5: Solve for x
    x = 2,721,496,925.32/70,210.76
  6. Step 6: Final answer
    x = 38,761.82

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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.