Home / 69,386.16-95,742.64-42,148.08

Finding the Fourth Proportional to 69,386.16, 95,742.64 and 42,148.08

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Solution

The fourth proportional to 69,386.16, 95,742.64 and 42,148.08 is: 58,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.16 : 95,742.64 = 42,148.08 : x
  2. Step 2: Convert to fraction form
    69,386.16/95,742.64 = 42,148.08/x
  3. Step 3: Cross multiply
    69,386.16x = 95,742.64 × 42,148.08
  4. Step 4: Simplify right side
    69,386.16x = 4,035,368,450.13
  5. Step 5: Solve for x
    x = 4,035,368,450.13/69,386.16
  6. Step 6: Final answer
    x = 58,158.12

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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.