Home / 93,789.75-129,417.80-53,501.11

Finding the Fourth Proportional to 93,789.75, 129,417.80 and 53,501.11

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Solution

The fourth proportional to 93,789.75, 129,417.80 and 53,501.11 is: 73,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789.75 : 129,417.80 = 53,501.11 : x
  2. Step 2: Convert to fraction form
    93,789.75/129,417.80 = 53,501.11/x
  3. Step 3: Cross multiply
    93,789.75x = 129,417.80 × 53,501.11
  4. Step 4: Simplify right side
    93,789.75x = 6,923,995,663.65
  5. Step 5: Solve for x
    x = 6,923,995,663.65/93,789.75
  6. Step 6: Final answer
    x = 73,824.65

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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.