Home / 93,939.51-129,641.75-53,666.34

Finding the Fourth Proportional to 93,939.51, 129,641.75 and 53,666.34

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Solution

The fourth proportional to 93,939.51, 129,641.75 and 53,666.34 is: 74,062.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.51 : 129,641.75 = 53,666.34 : x
  2. Step 2: Convert to fraction form
    93,939.51/129,641.75 = 53,666.34/x
  3. Step 3: Cross multiply
    93,939.51x = 129,641.75 × 53,666.34
  4. Step 4: Simplify right side
    93,939.51x = 6,957,397,965.36
  5. Step 5: Solve for x
    x = 6,957,397,965.36/93,939.51
  6. Step 6: Final answer
    x = 74,062.53

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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.