Home / 90,907.01-125,462.67-52,159.02

Finding the Fourth Proportional to 90,907.01, 125,462.67 and 52,159.02

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Solution

The fourth proportional to 90,907.01, 125,462.67 and 52,159.02 is: 71,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.01 : 125,462.67 = 52,159.02 : x
  2. Step 2: Convert to fraction form
    90,907.01/125,462.67 = 52,159.02/x
  3. Step 3: Cross multiply
    90,907.01x = 125,462.67 × 52,159.02
  4. Step 4: Simplify right side
    90,907.01x = 6,544,009,913.78
  5. Step 5: Solve for x
    x = 6,544,009,913.78/90,907.01
  6. Step 6: Final answer
    x = 71,985.76

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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.