Home / 88,368.63-121,908.42-52,538.28

Finding the Fourth Proportional to 88,368.63, 121,908.42 and 52,538.28

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Solution

The fourth proportional to 88,368.63, 121,908.42 and 52,538.28 is: 72,478.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,368.63 : 121,908.42 = 52,538.28 : x
  2. Step 2: Convert to fraction form
    88,368.63/121,908.42 = 52,538.28/x
  3. Step 3: Cross multiply
    88,368.63x = 121,908.42 × 52,538.28
  4. Step 4: Simplify right side
    88,368.63x = 6,404,858,704.32
  5. Step 5: Solve for x
    x = 6,404,858,704.32/88,368.63
  6. Step 6: Final answer
    x = 72,478.87

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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.