Home / 104,649.02-156,969.98-45,484.70

Finding the Fourth Proportional to 104,649.02, 156,969.98 and 45,484.70

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Solution

The fourth proportional to 104,649.02, 156,969.98 and 45,484.70 is: 68,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.02 : 156,969.98 = 45,484.70 : x
  2. Step 2: Convert to fraction form
    104,649.02/156,969.98 = 45,484.70/x
  3. Step 3: Cross multiply
    104,649.02x = 156,969.98 × 45,484.70
  4. Step 4: Simplify right side
    104,649.02x = 7,139,732,449.31
  5. Step 5: Solve for x
    x = 7,139,732,449.31/104,649.02
  6. Step 6: Final answer
    x = 68,225.51

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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.