Home / 91,637.34-126,467.56-53,394.90

Finding the Fourth Proportional to 91,637.34, 126,467.56 and 53,394.90

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Solution

The fourth proportional to 91,637.34, 126,467.56 and 53,394.90 is: 73,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.34 : 126,467.56 = 53,394.90 : x
  2. Step 2: Convert to fraction form
    91,637.34/126,467.56 = 53,394.90/x
  3. Step 3: Cross multiply
    91,637.34x = 126,467.56 × 53,394.90
  4. Step 4: Simplify right side
    91,637.34x = 6,752,722,719.44
  5. Step 5: Solve for x
    x = 6,752,722,719.44/91,637.34
  6. Step 6: Final answer
    x = 73,689.64

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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.