Home / 93,031.41-128,386.73-53,295.09

Finding the Fourth Proportional to 93,031.41, 128,386.73 and 53,295.09

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Solution

The fourth proportional to 93,031.41, 128,386.73 and 53,295.09 is: 73,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,031.41 : 128,386.73 = 53,295.09 : x
  2. Step 2: Convert to fraction form
    93,031.41/128,386.73 = 53,295.09/x
  3. Step 3: Cross multiply
    93,031.41x = 128,386.73 × 53,295.09
  4. Step 4: Simplify right side
    93,031.41x = 6,842,382,063.68
  5. Step 5: Solve for x
    x = 6,842,382,063.68/93,031.41
  6. Step 6: Final answer
    x = 73,549.16

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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.