Home / 63,707.60-87,684.42-56,104.16

Finding the Fourth Proportional to 63,707.60, 87,684.42 and 56,104.16

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Solution

The fourth proportional to 63,707.60, 87,684.42 and 56,104.16 is: 77,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.60 : 87,684.42 = 56,104.16 : x
  2. Step 2: Convert to fraction form
    63,707.60/87,684.42 = 56,104.16/x
  3. Step 3: Cross multiply
    63,707.60x = 87,684.42 × 56,104.16
  4. Step 4: Simplify right side
    63,707.60x = 4,919,460,729.19
  5. Step 5: Solve for x
    x = 4,919,460,729.19/63,707.60
  6. Step 6: Final answer
    x = 77,219.37

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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.