Home / 64,279.02-88,701.54-35,979.24

Finding the Fourth Proportional to 64,279.02, 88,701.54 and 35,979.24

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Solution

The fourth proportional to 64,279.02, 88,701.54 and 35,979.24 is: 49,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,279.02 : 88,701.54 = 35,979.24 : x
  2. Step 2: Convert to fraction form
    64,279.02/88,701.54 = 35,979.24/x
  3. Step 3: Cross multiply
    64,279.02x = 88,701.54 × 35,979.24
  4. Step 4: Simplify right side
    64,279.02x = 3,191,413,996.03
  5. Step 5: Solve for x
    x = 3,191,413,996.03/64,279.02
  6. Step 6: Final answer
    x = 49,649.39

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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.