Home / 66,386.16-91,567.18-42,502.07

Finding the Fourth Proportional to 66,386.16, 91,567.18 and 42,502.07

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Solution

The fourth proportional to 66,386.16, 91,567.18 and 42,502.07 is: 58,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,386.16 : 91,567.18 = 42,502.07 : x
  2. Step 2: Convert to fraction form
    66,386.16/91,567.18 = 42,502.07/x
  3. Step 3: Cross multiply
    66,386.16x = 91,567.18 × 42,502.07
  4. Step 4: Simplify right side
    66,386.16x = 3,891,794,580.58
  5. Step 5: Solve for x
    x = 3,891,794,580.58/66,386.16
  6. Step 6: Final answer
    x = 58,623.59

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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.