Home / 93,126.60-128,516.04-50,685.12

Finding the Fourth Proportional to 93,126.60, 128,516.04 and 50,685.12

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Solution

The fourth proportional to 93,126.60, 128,516.04 and 50,685.12 is: 69,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,126.60 : 128,516.04 = 50,685.12 : x
  2. Step 2: Convert to fraction form
    93,126.60/128,516.04 = 50,685.12/x
  3. Step 3: Cross multiply
    93,126.60x = 128,516.04 × 50,685.12
  4. Step 4: Simplify right side
    93,126.60x = 6,513,850,909.32
  5. Step 5: Solve for x
    x = 6,513,850,909.32/93,126.60
  6. Step 6: Final answer
    x = 69,946.19

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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.