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Finding the Fourth Proportional to 93,104.48, 128,482.93 and 50,662.91

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Solution

The fourth proportional to 93,104.48, 128,482.93 and 50,662.91 is: 69,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,104.48 : 128,482.93 = 50,662.91 : x
  2. Step 2: Convert to fraction form
    93,104.48/128,482.93 = 50,662.91/x
  3. Step 3: Cross multiply
    93,104.48x = 128,482.93 × 50,662.91
  4. Step 4: Simplify right side
    93,104.48x = 6,509,319,119.13
  5. Step 5: Solve for x
    x = 6,509,319,119.13/93,104.48
  6. Step 6: Final answer
    x = 69,914.13

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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.