Home / 93,457.02-128,970.30-51,015.60

Finding the Fourth Proportional to 93,457.02, 128,970.30 and 51,015.60

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Solution

The fourth proportional to 93,457.02, 128,970.30 and 51,015.60 is: 70,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.02 : 128,970.30 = 51,015.60 : x
  2. Step 2: Convert to fraction form
    93,457.02/128,970.30 = 51,015.60/x
  3. Step 3: Cross multiply
    93,457.02x = 128,970.30 × 51,015.60
  4. Step 4: Simplify right side
    93,457.02x = 6,579,497,236.68
  5. Step 5: Solve for x
    x = 6,579,497,236.68/93,457.02
  6. Step 6: Final answer
    x = 70,401.32

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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.