Home / 85,826.66-118,447.74-47,598.17

Finding the Fourth Proportional to 85,826.66, 118,447.74 and 47,598.17

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Solution

The fourth proportional to 85,826.66, 118,447.74 and 47,598.17 is: 65,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.66 : 118,447.74 = 47,598.17 : x
  2. Step 2: Convert to fraction form
    85,826.66/118,447.74 = 47,598.17/x
  3. Step 3: Cross multiply
    85,826.66x = 118,447.74 × 47,598.17
  4. Step 4: Simplify right side
    85,826.66x = 5,637,895,072.40
  5. Step 5: Solve for x
    x = 5,637,895,072.40/85,826.66
  6. Step 6: Final answer
    x = 65,689.33

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1.5x scale

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.