Home / 93,511.81-129,047.12-53,228.16

Finding the Fourth Proportional to 93,511.81, 129,047.12 and 53,228.16

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Solution

The fourth proportional to 93,511.81, 129,047.12 and 53,228.16 is: 73,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,511.81 : 129,047.12 = 53,228.16 : x
  2. Step 2: Convert to fraction form
    93,511.81/129,047.12 = 53,228.16/x
  3. Step 3: Cross multiply
    93,511.81x = 129,047.12 × 53,228.16
  4. Step 4: Simplify right side
    93,511.81x = 6,868,940,967.78
  5. Step 5: Solve for x
    x = 6,868,940,967.78/93,511.81
  6. Step 6: Final answer
    x = 73,455.33

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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.