Home / 93,399.72-128,886.36-53,123.28

Finding the Fourth Proportional to 93,399.72, 128,886.36 and 53,123.28

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Solution

The fourth proportional to 93,399.72, 128,886.36 and 53,123.28 is: 73,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399.72 : 128,886.36 = 53,123.28 : x
  2. Step 2: Convert to fraction form
    93,399.72/128,886.36 = 53,123.28/x
  3. Step 3: Cross multiply
    93,399.72x = 128,886.36 × 53,123.28
  4. Step 4: Simplify right side
    93,399.72x = 6,846,866,190.46
  5. Step 5: Solve for x
    x = 6,846,866,190.46/93,399.72
  6. Step 6: Final answer
    x = 73,307.14

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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.