Home / 75,417.36-113,173.73-42,159.26

Finding the Fourth Proportional to 75,417.36, 113,173.73 and 42,159.26

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Solution

The fourth proportional to 75,417.36, 113,173.73 and 42,159.26 is: 63,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,417.36 : 113,173.73 = 42,159.26 : x
  2. Step 2: Convert to fraction form
    75,417.36/113,173.73 = 42,159.26/x
  3. Step 3: Cross multiply
    75,417.36x = 113,173.73 × 42,159.26
  4. Step 4: Simplify right side
    75,417.36x = 4,771,319,931.57
  5. Step 5: Solve for x
    x = 4,771,319,931.57/75,417.36
  6. Step 6: Final answer
    x = 63,265.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.