Home / 63,410.40-87,307.19-53,830.43

Finding the Fourth Proportional to 63,410.40, 87,307.19 and 53,830.43

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Solution

The fourth proportional to 63,410.40, 87,307.19 and 53,830.43 is: 74,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,410.40 : 87,307.19 = 53,830.43 : x
  2. Step 2: Convert to fraction form
    63,410.40/87,307.19 = 53,830.43/x
  3. Step 3: Cross multiply
    63,410.40x = 87,307.19 × 53,830.43
  4. Step 4: Simplify right side
    63,410.40x = 4,699,783,528.91
  5. Step 5: Solve for x
    x = 4,699,783,528.91/63,410.40
  6. Step 6: Final answer
    x = 74,116.92

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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.