Home / 91,673.04-126,509.58-51,386.88

Finding the Fourth Proportional to 91,673.04, 126,509.58 and 51,386.88

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Solution

The fourth proportional to 91,673.04, 126,509.58 and 51,386.88 is: 70,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,673.04 : 126,509.58 = 51,386.88 : x
  2. Step 2: Convert to fraction form
    91,673.04/126,509.58 = 51,386.88/x
  3. Step 3: Cross multiply
    91,673.04x = 126,509.58 × 51,386.88
  4. Step 4: Simplify right side
    91,673.04x = 6,500,932,606.31
  5. Step 5: Solve for x
    x = 6,500,932,606.31/91,673.04
  6. Step 6: Final answer
    x = 70,914.33

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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.