Home / 74,900.37-103,152.48-74,666.84

Finding the Fourth Proportional to 74,900.37, 103,152.48 and 74,666.84

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Solution

The fourth proportional to 74,900.37, 103,152.48 and 74,666.84 is: 102,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,900.37 : 103,152.48 = 74,666.84 : x
  2. Step 2: Convert to fraction form
    74,900.37/103,152.48 = 74,666.84/x
  3. Step 3: Cross multiply
    74,900.37x = 103,152.48 × 74,666.84
  4. Step 4: Simplify right side
    74,900.37x = 7,702,069,204.00
  5. Step 5: Solve for x
    x = 7,702,069,204.00/74,900.37
  6. Step 6: Final answer
    x = 102,830.86

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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.