Home / 65,166.72-89,932.86-36,875.04

Finding the Fourth Proportional to 65,166.72, 89,932.86 and 36,875.04

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Solution

The fourth proportional to 65,166.72, 89,932.86 and 36,875.04 is: 50,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.72 : 89,932.86 = 36,875.04 : x
  2. Step 2: Convert to fraction form
    65,166.72/89,932.86 = 36,875.04/x
  3. Step 3: Cross multiply
    65,166.72x = 89,932.86 × 36,875.04
  4. Step 4: Simplify right side
    65,166.72x = 3,316,277,809.81
  5. Step 5: Solve for x
    x = 3,316,277,809.81/65,166.72
  6. Step 6: Final answer
    x = 50,889.13

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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.