Home / 92,398.04-127,509.28-52,111.72

Finding the Fourth Proportional to 92,398.04, 127,509.28 and 52,111.72

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Solution

The fourth proportional to 92,398.04, 127,509.28 and 52,111.72 is: 71,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,398.04 : 127,509.28 = 52,111.72 : x
  2. Step 2: Convert to fraction form
    92,398.04/127,509.28 = 52,111.72/x
  3. Step 3: Cross multiply
    92,398.04x = 127,509.28 × 52,111.72
  4. Step 4: Simplify right side
    92,398.04x = 6,644,727,314.66
  5. Step 5: Solve for x
    x = 6,644,727,314.66/92,398.04
  6. Step 6: Final answer
    x = 71,914.16

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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.