Home / 93,374.19-128,851.20-53,082.36

Finding the Fourth Proportional to 93,374.19, 128,851.20 and 53,082.36

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Solution

The fourth proportional to 93,374.19, 128,851.20 and 53,082.36 is: 73,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,374.19 : 128,851.20 = 53,082.36 : x
  2. Step 2: Convert to fraction form
    93,374.19/128,851.20 = 53,082.36/x
  3. Step 3: Cross multiply
    93,374.19x = 128,851.20 × 53,082.36
  4. Step 4: Simplify right side
    93,374.19x = 6,839,725,784.83
  5. Step 5: Solve for x
    x = 6,839,725,784.83/93,374.19
  6. Step 6: Final answer
    x = 73,250.71

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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.