Home / 77,371.18-116,066.28-29,987.06

Finding the Fourth Proportional to 77,371.18, 116,066.28 and 29,987.06

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Solution

The fourth proportional to 77,371.18, 116,066.28 and 29,987.06 is: 44,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,371.18 : 116,066.28 = 29,987.06 : x
  2. Step 2: Convert to fraction form
    77,371.18/116,066.28 = 29,987.06/x
  3. Step 3: Cross multiply
    77,371.18x = 116,066.28 × 29,987.06
  4. Step 4: Simplify right side
    77,371.18x = 3,480,486,502.34
  5. Step 5: Solve for x
    x = 3,480,486,502.34/77,371.18
  6. Step 6: Final answer
    x = 44,984.28

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1.5x scale

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.