Home / 93,412.36-128,909.82-50,971.60

Finding the Fourth Proportional to 93,412.36, 128,909.82 and 50,971.60

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Solution

The fourth proportional to 93,412.36, 128,909.82 and 50,971.60 is: 70,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,412.36 : 128,909.82 = 50,971.60 : x
  2. Step 2: Convert to fraction form
    93,412.36/128,909.82 = 50,971.60/x
  3. Step 3: Cross multiply
    93,412.36x = 128,909.82 × 50,971.60
  4. Step 4: Simplify right side
    93,412.36x = 6,570,739,781.11
  5. Step 5: Solve for x
    x = 6,570,739,781.11/93,412.36
  6. Step 6: Final answer
    x = 70,341.22

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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.