Home / 91,085.70-125,678.04-52,851.68

Finding the Fourth Proportional to 91,085.70, 125,678.04 and 52,851.68

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Solution

The fourth proportional to 91,085.70, 125,678.04 and 52,851.68 is: 72,923.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,085.70 : 125,678.04 = 52,851.68 : x
  2. Step 2: Convert to fraction form
    91,085.70/125,678.04 = 52,851.68/x
  3. Step 3: Cross multiply
    91,085.70x = 125,678.04 × 52,851.68
  4. Step 4: Simplify right side
    91,085.70x = 6,642,295,553.11
  5. Step 5: Solve for x
    x = 6,642,295,553.11/91,085.70
  6. Step 6: Final answer
    x = 72,923.58

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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.