Home / 65,966.84-91,050.09-37,688.93

Finding the Fourth Proportional to 65,966.84, 91,050.09 and 37,688.93

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Solution

The fourth proportional to 65,966.84, 91,050.09 and 37,688.93 is: 52,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,966.84 : 91,050.09 = 37,688.93 : x
  2. Step 2: Convert to fraction form
    65,966.84/91,050.09 = 37,688.93/x
  3. Step 3: Cross multiply
    65,966.84x = 91,050.09 × 37,688.93
  4. Step 4: Simplify right side
    65,966.84x = 3,431,580,554.80
  5. Step 5: Solve for x
    x = 3,431,580,554.80/65,966.84
  6. Step 6: Final answer
    x = 52,019.78

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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.