Home / 77,024.26-115,347.66-63,615.20

Finding the Fourth Proportional to 77,024.26, 115,347.66 and 63,615.20

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Solution

The fourth proportional to 77,024.26, 115,347.66 and 63,615.20 is: 95,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024.26 : 115,347.66 = 63,615.20 : x
  2. Step 2: Convert to fraction form
    77,024.26/115,347.66 = 63,615.20/x
  3. Step 3: Cross multiply
    77,024.26x = 115,347.66 × 63,615.20
  4. Step 4: Simplify right side
    77,024.26x = 7,337,864,460.43
  5. Step 5: Solve for x
    x = 7,337,864,460.43/77,024.26
  6. Step 6: Final answer
    x = 95,266.93

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1.5x scale

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.