Home / 74,799.15-112,148.51-35,319.75

Finding the Fourth Proportional to 74,799.15, 112,148.51 and 35,319.75

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Solution

The fourth proportional to 74,799.15, 112,148.51 and 35,319.75 is: 52,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,799.15 : 112,148.51 = 35,319.75 : x
  2. Step 2: Convert to fraction form
    74,799.15/112,148.51 = 35,319.75/x
  3. Step 3: Cross multiply
    74,799.15x = 112,148.51 × 35,319.75
  4. Step 4: Simplify right side
    74,799.15x = 3,961,057,159.47
  5. Step 5: Solve for x
    x = 3,961,057,159.47/74,799.15
  6. Step 6: Final answer
    x = 52,955.91

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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.