Home / 74,909.02-112,320.06-35,465.80

Finding the Fourth Proportional to 74,909.02, 112,320.06 and 35,465.80

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Solution

The fourth proportional to 74,909.02, 112,320.06 and 35,465.80 is: 53,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909.02 : 112,320.06 = 35,465.80 : x
  2. Step 2: Convert to fraction form
    74,909.02/112,320.06 = 35,465.80/x
  3. Step 3: Cross multiply
    74,909.02x = 112,320.06 × 35,465.80
  4. Step 4: Simplify right side
    74,909.02x = 3,983,520,783.95
  5. Step 5: Solve for x
    x = 3,983,520,783.95/74,909.02
  6. Step 6: Final answer
    x = 53,178.12

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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.