Home / 74,756.44-103,159.20-42,902.92

Finding the Fourth Proportional to 74,756.44, 103,159.20 and 42,902.92

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Solution

The fourth proportional to 74,756.44, 103,159.20 and 42,902.92 is: 59,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,756.44 : 103,159.20 = 42,902.92 : x
  2. Step 2: Convert to fraction form
    74,756.44/103,159.20 = 42,902.92/x
  3. Step 3: Cross multiply
    74,756.44x = 103,159.20 × 42,902.92
  4. Step 4: Simplify right side
    74,756.44x = 4,425,830,904.86
  5. Step 5: Solve for x
    x = 4,425,830,904.86/74,756.44
  6. Step 6: Final answer
    x = 59,203.34

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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.