Home / 93,459.09-128,973.49-51,017.61

Finding the Fourth Proportional to 93,459.09, 128,973.49 and 51,017.61

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Solution

The fourth proportional to 93,459.09, 128,973.49 and 51,017.61 is: 70,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,459.09 : 128,973.49 = 51,017.61 : x
  2. Step 2: Convert to fraction form
    93,459.09/128,973.49 = 51,017.61/x
  3. Step 3: Cross multiply
    93,459.09x = 128,973.49 × 51,017.61
  4. Step 4: Simplify right side
    93,459.09x = 6,579,919,213.16
  5. Step 5: Solve for x
    x = 6,579,919,213.16/93,459.09
  6. Step 6: Final answer
    x = 70,404.27

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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.