Home / 47,159.11-71,019.43-42,532.39

Finding the Fourth Proportional to 47,159.11, 71,019.43 and 42,532.39

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Solution

The fourth proportional to 47,159.11, 71,019.43 and 42,532.39 is: 64,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.11 : 71,019.43 = 42,532.39 : x
  2. Step 2: Convert to fraction form
    47,159.11/71,019.43 = 42,532.39/x
  3. Step 3: Cross multiply
    47,159.11x = 71,019.43 × 42,532.39
  4. Step 4: Simplify right side
    47,159.11x = 3,020,626,094.34
  5. Step 5: Solve for x
    x = 3,020,626,094.34/47,159.11
  6. Step 6: Final answer
    x = 64,051.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.