Home / 93,043.22-128,401.00-57,212.06

Finding the Fourth Proportional to 93,043.22, 128,401.00 and 57,212.06

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Solution

The fourth proportional to 93,043.22, 128,401.00 and 57,212.06 is: 78,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.22 : 128,401.00 = 57,212.06 : x
  2. Step 2: Convert to fraction form
    93,043.22/128,401.00 = 57,212.06/x
  3. Step 3: Cross multiply
    93,043.22x = 128,401.00 × 57,212.06
  4. Step 4: Simplify right side
    93,043.22x = 7,346,084,931.02
  5. Step 5: Solve for x
    x = 7,346,084,931.02/93,043.22
  6. Step 6: Final answer
    x = 78,953.47

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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.