Home / 52,731.16-72,799.74-45,646.36

Finding the Fourth Proportional to 52,731.16, 72,799.74 and 45,646.36

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Solution

The fourth proportional to 52,731.16, 72,799.74 and 45,646.36 is: 63,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.16 : 72,799.74 = 45,646.36 : x
  2. Step 2: Convert to fraction form
    52,731.16/72,799.74 = 45,646.36/x
  3. Step 3: Cross multiply
    52,731.16x = 72,799.74 × 45,646.36
  4. Step 4: Simplify right side
    52,731.16x = 3,323,043,139.95
  5. Step 5: Solve for x
    x = 3,323,043,139.95/52,731.16
  6. Step 6: Final answer
    x = 63,018.59

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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.