Home / 63,029.50-86,985.01-38,510.81

Finding the Fourth Proportional to 63,029.50, 86,985.01 and 38,510.81

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Solution

The fourth proportional to 63,029.50, 86,985.01 and 38,510.81 is: 53,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,029.50 : 86,985.01 = 38,510.81 : x
  2. Step 2: Convert to fraction form
    63,029.50/86,985.01 = 38,510.81/x
  3. Step 3: Cross multiply
    63,029.50x = 86,985.01 × 38,510.81
  4. Step 4: Simplify right side
    63,029.50x = 3,349,863,192.96
  5. Step 5: Solve for x
    x = 3,349,863,192.96/63,029.50
  6. Step 6: Final answer
    x = 53,147.55

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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.