Home / 85,856.92-118,482.48-48,131.17

Finding the Fourth Proportional to 85,856.92, 118,482.48 and 48,131.17

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Solution

The fourth proportional to 85,856.92, 118,482.48 and 48,131.17 is: 66,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,856.92 : 118,482.48 = 48,131.17 : x
  2. Step 2: Convert to fraction form
    85,856.92/118,482.48 = 48,131.17/x
  3. Step 3: Cross multiply
    85,856.92x = 118,482.48 × 48,131.17
  4. Step 4: Simplify right side
    85,856.92x = 5,702,700,386.90
  5. Step 5: Solve for x
    x = 5,702,700,386.90/85,856.92
  6. Step 6: Final answer
    x = 66,420.98

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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.