Home / 91,740.60-126,613.74-54,018.36

Finding the Fourth Proportional to 91,740.60, 126,613.74 and 54,018.36

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Solution

The fourth proportional to 91,740.60, 126,613.74 and 54,018.36 is: 74,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.60 : 126,613.74 = 54,018.36 : x
  2. Step 2: Convert to fraction form
    91,740.60/126,613.74 = 54,018.36/x
  3. Step 3: Cross multiply
    91,740.60x = 126,613.74 × 54,018.36
  4. Step 4: Simplify right side
    91,740.60x = 6,839,466,588.27
  5. Step 5: Solve for x
    x = 6,839,466,588.27/91,740.60
  6. Step 6: Final answer
    x = 74,552.23

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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.