Home / 70,386.26-105,557.52-25,401.77

Finding the Fourth Proportional to 70,386.26, 105,557.52 and 25,401.77

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Solution

The fourth proportional to 70,386.26, 105,557.52 and 25,401.77 is: 38,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386.26 : 105,557.52 = 25,401.77 : x
  2. Step 2: Convert to fraction form
    70,386.26/105,557.52 = 25,401.77/x
  3. Step 3: Cross multiply
    70,386.26x = 105,557.52 × 25,401.77
  4. Step 4: Simplify right side
    70,386.26x = 2,681,347,317.02
  5. Step 5: Solve for x
    x = 2,681,347,317.02/70,386.26
  6. Step 6: Final answer
    x = 38,094.76

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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.