Home / 91,106.51-125,729.46-50,828.13

Finding the Fourth Proportional to 91,106.51, 125,729.46 and 50,828.13

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Solution

The fourth proportional to 91,106.51, 125,729.46 and 50,828.13 is: 70,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,106.51 : 125,729.46 = 50,828.13 : x
  2. Step 2: Convert to fraction form
    91,106.51/125,729.46 = 50,828.13/x
  3. Step 3: Cross multiply
    91,106.51x = 125,729.46 × 50,828.13
  4. Step 4: Simplify right side
    91,106.51x = 6,390,593,337.71
  5. Step 5: Solve for x
    x = 6,390,593,337.71/91,106.51
  6. Step 6: Final answer
    x = 70,144.20

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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.