Home / 62,907.28-86,820.48-57,592.56

Finding the Fourth Proportional to 62,907.28, 86,820.48 and 57,592.56

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Solution

The fourth proportional to 62,907.28, 86,820.48 and 57,592.56 is: 79,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,907.28 : 86,820.48 = 57,592.56 : x
  2. Step 2: Convert to fraction form
    62,907.28/86,820.48 = 57,592.56/x
  3. Step 3: Cross multiply
    62,907.28x = 86,820.48 × 57,592.56
  4. Step 4: Simplify right side
    62,907.28x = 5,000,213,703.63
  5. Step 5: Solve for x
    x = 5,000,213,703.63/62,907.28
  6. Step 6: Final answer
    x = 79,485.45

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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.