Home / 63,557.40-87,509.82-53,977.32

Finding the Fourth Proportional to 63,557.40, 87,509.82 and 53,977.32

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Solution

The fourth proportional to 63,557.40, 87,509.82 and 53,977.32 is: 74,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,557.40 : 87,509.82 = 53,977.32 : x
  2. Step 2: Convert to fraction form
    63,557.40/87,509.82 = 53,977.32/x
  3. Step 3: Cross multiply
    63,557.40x = 87,509.82 × 53,977.32
  4. Step 4: Simplify right side
    63,557.40x = 4,723,545,557.28
  5. Step 5: Solve for x
    x = 4,723,545,557.28/63,557.40
  6. Step 6: Final answer
    x = 74,319.36

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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.