Home / 63,140.20-94,710.30-51,620.20

Finding the Fourth Proportional to 63,140.20, 94,710.30 and 51,620.20

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Solution

The fourth proportional to 63,140.20, 94,710.30 and 51,620.20 is: 77,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.20 : 94,710.30 = 51,620.20 : x
  2. Step 2: Convert to fraction form
    63,140.20/94,710.30 = 51,620.20/x
  3. Step 3: Cross multiply
    63,140.20x = 94,710.30 × 51,620.20
  4. Step 4: Simplify right side
    63,140.20x = 4,888,964,628.06
  5. Step 5: Solve for x
    x = 4,888,964,628.06/63,140.20
  6. Step 6: Final answer
    x = 77,430.30

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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.