Home / 78,444.23-108,253.04-42,634.23

Finding the Fourth Proportional to 78,444.23, 108,253.04 and 42,634.23

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Solution

The fourth proportional to 78,444.23, 108,253.04 and 42,634.23 is: 58,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.23 : 108,253.04 = 42,634.23 : x
  2. Step 2: Convert to fraction form
    78,444.23/108,253.04 = 42,634.23/x
  3. Step 3: Cross multiply
    78,444.23x = 108,253.04 × 42,634.23
  4. Step 4: Simplify right side
    78,444.23x = 4,615,284,792.39
  5. Step 5: Solve for x
    x = 4,615,284,792.39/78,444.23
  6. Step 6: Final answer
    x = 58,835.24

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1.5x scale

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.