Home / 91,514.37-126,304.95-62,810.45

Finding the Fourth Proportional to 91,514.37, 126,304.95 and 62,810.45

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Solution

The fourth proportional to 91,514.37, 126,304.95 and 62,810.45 is: 86,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,514.37 : 126,304.95 = 62,810.45 : x
  2. Step 2: Convert to fraction form
    91,514.37/126,304.95 = 62,810.45/x
  3. Step 3: Cross multiply
    91,514.37x = 126,304.95 × 62,810.45
  4. Step 4: Simplify right side
    91,514.37x = 7,933,270,472.04
  5. Step 5: Solve for x
    x = 7,933,270,472.04/91,514.37
  6. Step 6: Final answer
    x = 86,688.80

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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.