Home / 88,904.16-122,681.31-48,609.39

Finding the Fourth Proportional to 88,904.16, 122,681.31 and 48,609.39

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Solution

The fourth proportional to 88,904.16, 122,681.31 and 48,609.39 is: 67,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,904.16 : 122,681.31 = 48,609.39 : x
  2. Step 2: Convert to fraction form
    88,904.16/122,681.31 = 48,609.39/x
  3. Step 3: Cross multiply
    88,904.16x = 122,681.31 × 48,609.39
  4. Step 4: Simplify right side
    88,904.16x = 5,963,463,643.50
  5. Step 5: Solve for x
    x = 5,963,463,643.50/88,904.16
  6. Step 6: Final answer
    x = 67,077.44

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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.