Home / 91,567.64-126,381.03-55,275.06

Finding the Fourth Proportional to 91,567.64, 126,381.03 and 55,275.06

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Solution

The fourth proportional to 91,567.64, 126,381.03 and 55,275.06 is: 76,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,567.64 : 126,381.03 = 55,275.06 : x
  2. Step 2: Convert to fraction form
    91,567.64/126,381.03 = 55,275.06/x
  3. Step 3: Cross multiply
    91,567.64x = 126,381.03 × 55,275.06
  4. Step 4: Simplify right side
    91,567.64x = 6,985,718,571.87
  5. Step 5: Solve for x
    x = 6,985,718,571.87/91,567.64
  6. Step 6: Final answer
    x = 76,290.26

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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.