Home / 102,774.02-141,851.04-62,479.26

Finding the Fourth Proportional to 102,774.02, 141,851.04 and 62,479.26

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Solution

The fourth proportional to 102,774.02, 141,851.04 and 62,479.26 is: 86,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,774.02 : 141,851.04 = 62,479.26 : x
  2. Step 2: Convert to fraction form
    102,774.02/141,851.04 = 62,479.26/x
  3. Step 3: Cross multiply
    102,774.02x = 141,851.04 × 62,479.26
  4. Step 4: Simplify right side
    102,774.02x = 8,862,748,009.43
  5. Step 5: Solve for x
    x = 8,862,748,009.43/102,774.02
  6. Step 6: Final answer
    x = 86,235.30

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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.