Home / 66,096.36-99,148.19-42,870.42

Finding the Fourth Proportional to 66,096.36, 99,148.19 and 42,870.42

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Solution

The fourth proportional to 66,096.36, 99,148.19 and 42,870.42 is: 64,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,096.36 : 99,148.19 = 42,870.42 : x
  2. Step 2: Convert to fraction form
    66,096.36/99,148.19 = 42,870.42/x
  3. Step 3: Cross multiply
    66,096.36x = 99,148.19 × 42,870.42
  4. Step 4: Simplify right side
    66,096.36x = 4,250,524,547.54
  5. Step 5: Solve for x
    x = 4,250,524,547.54/66,096.36
  6. Step 6: Final answer
    x = 64,308.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.