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Finding the Fourth Proportional to 93,033.46, 128,397 and 52,208.83

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Solution

The fourth proportional to 93,033.46, 128,397 and 52,208.83 is: 72,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.46 : 128,397 = 52,208.83 : x
  2. Step 2: Convert to fraction form
    93,033.46/128,397 = 52,208.83/x
  3. Step 3: Cross multiply
    93,033.46x = 128,397 × 52,208.83
  4. Step 4: Simplify right side
    93,033.46x = 6,703,457,145.51
  5. Step 5: Solve for x
    x = 6,703,457,145.51/93,033.46
  6. Step 6: Final answer
    x = 72,054.26

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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.