Home / 74,120.66-102,244.76-46,888.31

Finding the Fourth Proportional to 74,120.66, 102,244.76 and 46,888.31

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Solution

The fourth proportional to 74,120.66, 102,244.76 and 46,888.31 is: 64,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120.66 : 102,244.76 = 46,888.31 : x
  2. Step 2: Convert to fraction form
    74,120.66/102,244.76 = 46,888.31/x
  3. Step 3: Cross multiply
    74,120.66x = 102,244.76 × 46,888.31
  4. Step 4: Simplify right side
    74,120.66x = 4,794,084,199.76
  5. Step 5: Solve for x
    x = 4,794,084,199.76/74,120.66
  6. Step 6: Final answer
    x = 64,679.46

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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.