Home / 93,999.02-129,720.30-51,557.46

Finding the Fourth Proportional to 93,999.02, 129,720.30 and 51,557.46

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Solution

The fourth proportional to 93,999.02, 129,720.30 and 51,557.46 is: 71,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,999.02 : 129,720.30 = 51,557.46 : x
  2. Step 2: Convert to fraction form
    93,999.02/129,720.30 = 51,557.46/x
  3. Step 3: Cross multiply
    93,999.02x = 129,720.30 × 51,557.46
  4. Step 4: Simplify right side
    93,999.02x = 6,688,049,178.44
  5. Step 5: Solve for x
    x = 6,688,049,178.44/93,999.02
  6. Step 6: Final answer
    x = 71,150.20

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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.