Home / 63,717.94-87,908.86-39,510.19

Finding the Fourth Proportional to 63,717.94, 87,908.86 and 39,510.19

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Solution

The fourth proportional to 63,717.94, 87,908.86 and 39,510.19 is: 54,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.94 : 87,908.86 = 39,510.19 : x
  2. Step 2: Convert to fraction form
    63,717.94/87,908.86 = 39,510.19/x
  3. Step 3: Cross multiply
    63,717.94x = 87,908.86 × 39,510.19
  4. Step 4: Simplify right side
    63,717.94x = 3,473,295,590.90
  5. Step 5: Solve for x
    x = 3,473,295,590.90/63,717.94
  6. Step 6: Final answer
    x = 54,510.48

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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.