Home / 75,276.25-103,897.43-45,068.32

Finding the Fourth Proportional to 75,276.25, 103,897.43 and 45,068.32

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Solution

The fourth proportional to 75,276.25, 103,897.43 and 45,068.32 is: 62,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.25 : 103,897.43 = 45,068.32 : x
  2. Step 2: Convert to fraction form
    75,276.25/103,897.43 = 45,068.32/x
  3. Step 3: Cross multiply
    75,276.25x = 103,897.43 × 45,068.32
  4. Step 4: Simplify right side
    75,276.25x = 4,682,482,622.42
  5. Step 5: Solve for x
    x = 4,682,482,622.42/75,276.25
  6. Step 6: Final answer
    x = 62,203.98

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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.