Home / 77,264.02-106,615.53-43,267.78

Finding the Fourth Proportional to 77,264.02, 106,615.53 and 43,267.78

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Solution

The fourth proportional to 77,264.02, 106,615.53 and 43,267.78 is: 59,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264.02 : 106,615.53 = 43,267.78 : x
  2. Step 2: Convert to fraction form
    77,264.02/106,615.53 = 43,267.78/x
  3. Step 3: Cross multiply
    77,264.02x = 106,615.53 × 43,267.78
  4. Step 4: Simplify right side
    77,264.02x = 4,613,017,296.62
  5. Step 5: Solve for x
    x = 4,613,017,296.62/77,264.02
  6. Step 6: Final answer
    x = 59,704.60

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1.5x scale

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.