Home / 90,304.02-124,635-52,056.63

Finding the Fourth Proportional to 90,304.02, 124,635 and 52,056.63

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Solution

The fourth proportional to 90,304.02, 124,635 and 52,056.63 is: 71,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,304.02 : 124,635 = 52,056.63 : x
  2. Step 2: Convert to fraction form
    90,304.02/124,635 = 52,056.63/x
  3. Step 3: Cross multiply
    90,304.02x = 124,635 × 52,056.63
  4. Step 4: Simplify right side
    90,304.02x = 6,488,078,080.05
  5. Step 5: Solve for x
    x = 6,488,078,080.05/90,304.02
  6. Step 6: Final answer
    x = 71,847.06

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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.