Home / 93,422.36-128,922.15-53,136.08

Finding the Fourth Proportional to 93,422.36, 128,922.15 and 53,136.08

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Solution

The fourth proportional to 93,422.36, 128,922.15 and 53,136.08 is: 73,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,422.36 : 128,922.15 = 53,136.08 : x
  2. Step 2: Convert to fraction form
    93,422.36/128,922.15 = 53,136.08/x
  3. Step 3: Cross multiply
    93,422.36x = 128,922.15 × 53,136.08
  4. Step 4: Simplify right side
    93,422.36x = 6,850,417,031.56
  5. Step 5: Solve for x
    x = 6,850,417,031.56/93,422.36
  6. Step 6: Final answer
    x = 73,327.38

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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.