Home / 93,564.12-129,115.62-51,122.60

Finding the Fourth Proportional to 93,564.12, 129,115.62 and 51,122.60

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Solution

The fourth proportional to 93,564.12, 129,115.62 and 51,122.60 is: 70,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,564.12 : 129,115.62 = 51,122.60 : x
  2. Step 2: Convert to fraction form
    93,564.12/129,115.62 = 51,122.60/x
  3. Step 3: Cross multiply
    93,564.12x = 129,115.62 × 51,122.60
  4. Step 4: Simplify right side
    93,564.12x = 6,600,725,549.43
  5. Step 5: Solve for x
    x = 6,600,725,549.43/93,564.12
  6. Step 6: Final answer
    x = 70,547.62

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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.