Home / 51,116.06-70,539.41-28,455.01

Finding the Fourth Proportional to 51,116.06, 70,539.41 and 28,455.01

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Solution

The fourth proportional to 51,116.06, 70,539.41 and 28,455.01 is: 39,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,116.06 : 70,539.41 = 28,455.01 : x
  2. Step 2: Convert to fraction form
    51,116.06/70,539.41 = 28,455.01/x
  3. Step 3: Cross multiply
    51,116.06x = 70,539.41 × 28,455.01
  4. Step 4: Simplify right side
    51,116.06x = 2,007,199,748.46
  5. Step 5: Solve for x
    x = 2,007,199,748.46/51,116.06
  6. Step 6: Final answer
    x = 39,267.50

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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.