Home / 63,371.09-87,417.07-40,713.45

Finding the Fourth Proportional to 63,371.09, 87,417.07 and 40,713.45

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Solution

The fourth proportional to 63,371.09, 87,417.07 and 40,713.45 is: 56,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,371.09 : 87,417.07 = 40,713.45 : x
  2. Step 2: Convert to fraction form
    63,371.09/87,417.07 = 40,713.45/x
  3. Step 3: Cross multiply
    63,371.09x = 87,417.07 × 40,713.45
  4. Step 4: Simplify right side
    63,371.09x = 3,559,050,406.81
  5. Step 5: Solve for x
    x = 3,559,050,406.81/63,371.09
  6. Step 6: Final answer
    x = 56,162.06

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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.