Home / 93,670.02-129,219.30-55,419.12

Finding the Fourth Proportional to 93,670.02, 129,219.30 and 55,419.12

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Solution

The fourth proportional to 93,670.02, 129,219.30 and 55,419.12 is: 76,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.02 : 129,219.30 = 55,419.12 : x
  2. Step 2: Convert to fraction form
    93,670.02/129,219.30 = 55,419.12/x
  3. Step 3: Cross multiply
    93,670.02x = 129,219.30 × 55,419.12
  4. Step 4: Simplify right side
    93,670.02x = 7,161,219,893.02
  5. Step 5: Solve for x
    x = 7,161,219,893.02/93,670.02
  6. Step 6: Final answer
    x = 76,451.57

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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.