Home / 77,931.06-116,948.37-28,683.06

Finding the Fourth Proportional to 77,931.06, 116,948.37 and 28,683.06

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Solution

The fourth proportional to 77,931.06, 116,948.37 and 28,683.06 is: 43,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,931.06 : 116,948.37 = 28,683.06 : x
  2. Step 2: Convert to fraction form
    77,931.06/116,948.37 = 28,683.06/x
  3. Step 3: Cross multiply
    77,931.06x = 116,948.37 × 28,683.06
  4. Step 4: Simplify right side
    77,931.06x = 3,354,437,113.61
  5. Step 5: Solve for x
    x = 3,354,437,113.61/77,931.06
  6. Step 6: Final answer
    x = 43,043.65

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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.