Home / 93,228.43-128,645.58-52,386.07

Finding the Fourth Proportional to 93,228.43, 128,645.58 and 52,386.07

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Solution

The fourth proportional to 93,228.43, 128,645.58 and 52,386.07 is: 72,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,228.43 : 128,645.58 = 52,386.07 : x
  2. Step 2: Convert to fraction form
    93,228.43/128,645.58 = 52,386.07/x
  3. Step 3: Cross multiply
    93,228.43x = 128,645.58 × 52,386.07
  4. Step 4: Simplify right side
    93,228.43x = 6,739,236,359.07
  5. Step 5: Solve for x
    x = 6,739,236,359.07/93,228.43
  6. Step 6: Final answer
    x = 72,287.35

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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.