Home / 51,140.09-70,573.34-28,483.45

Finding the Fourth Proportional to 51,140.09, 70,573.34 and 28,483.45

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Solution

The fourth proportional to 51,140.09, 70,573.34 and 28,483.45 is: 39,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,140.09 : 70,573.34 = 28,483.45 : x
  2. Step 2: Convert to fraction form
    51,140.09/70,573.34 = 28,483.45/x
  3. Step 3: Cross multiply
    51,140.09x = 70,573.34 × 28,483.45
  4. Step 4: Simplify right side
    51,140.09x = 2,010,172,096.00
  5. Step 5: Solve for x
    x = 2,010,172,096.00/51,140.09
  6. Step 6: Final answer
    x = 39,307.17

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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.