Home / 93,020.72-128,337.36-52,731.32

Finding the Fourth Proportional to 93,020.72, 128,337.36 and 52,731.32

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Solution

The fourth proportional to 93,020.72, 128,337.36 and 52,731.32 is: 72,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.72 : 128,337.36 = 52,731.32 : x
  2. Step 2: Convert to fraction form
    93,020.72/128,337.36 = 52,731.32/x
  3. Step 3: Cross multiply
    93,020.72x = 128,337.36 × 52,731.32
  4. Step 4: Simplify right side
    93,020.72x = 6,767,398,398.12
  5. Step 5: Solve for x
    x = 6,767,398,398.12/93,020.72
  6. Step 6: Final answer
    x = 72,751.52

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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.