Home / 67,686.02-101,418.06-47,929.12

Finding the Fourth Proportional to 67,686.02, 101,418.06 and 47,929.12

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Solution

The fourth proportional to 67,686.02, 101,418.06 and 47,929.12 is: 71,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,686.02 : 101,418.06 = 47,929.12 : x
  2. Step 2: Convert to fraction form
    67,686.02/101,418.06 = 47,929.12/x
  3. Step 3: Cross multiply
    67,686.02x = 101,418.06 × 47,929.12
  4. Step 4: Simplify right side
    67,686.02x = 4,860,878,367.91
  5. Step 5: Solve for x
    x = 4,860,878,367.91/67,686.02
  6. Step 6: Final answer
    x = 71,815.10

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1.5x scale

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.