Home / 85,366.40-117,812.16-47,133.32

Finding the Fourth Proportional to 85,366.40, 117,812.16 and 47,133.32

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Solution

The fourth proportional to 85,366.40, 117,812.16 and 47,133.32 is: 65,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.40 : 117,812.16 = 47,133.32 : x
  2. Step 2: Convert to fraction form
    85,366.40/117,812.16 = 47,133.32/x
  3. Step 3: Cross multiply
    85,366.40x = 117,812.16 × 47,133.32
  4. Step 4: Simplify right side
    85,366.40x = 5,552,878,237.17
  5. Step 5: Solve for x
    x = 5,552,878,237.17/85,366.40
  6. Step 6: Final answer
    x = 65,047.59

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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.