Home / 93,028.39-128,376.39-52,745.83

Finding the Fourth Proportional to 93,028.39, 128,376.39 and 52,745.83

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Solution

The fourth proportional to 93,028.39, 128,376.39 and 52,745.83 is: 72,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.39 : 128,376.39 = 52,745.83 : x
  2. Step 2: Convert to fraction form
    93,028.39/128,376.39 = 52,745.83/x
  3. Step 3: Cross multiply
    93,028.39x = 128,376.39 × 52,745.83
  4. Step 4: Simplify right side
    93,028.39x = 6,771,319,242.95
  5. Step 5: Solve for x
    x = 6,771,319,242.95/93,028.39
  6. Step 6: Final answer
    x = 72,787.66

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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.