Home / 81,094.12-111,897.12-45,282.40

Finding the Fourth Proportional to 81,094.12, 111,897.12 and 45,282.40

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Solution

The fourth proportional to 81,094.12, 111,897.12 and 45,282.40 is: 62,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,094.12 : 111,897.12 = 45,282.40 : x
  2. Step 2: Convert to fraction form
    81,094.12/111,897.12 = 45,282.40/x
  3. Step 3: Cross multiply
    81,094.12x = 111,897.12 × 45,282.40
  4. Step 4: Simplify right side
    81,094.12x = 5,066,970,146.69
  5. Step 5: Solve for x
    x = 5,066,970,146.69/81,094.12
  6. Step 6: Final answer
    x = 62,482.58

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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.