Home / 85,690.04-118,252.18-47,964.28

Finding the Fourth Proportional to 85,690.04, 118,252.18 and 47,964.28

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Solution

The fourth proportional to 85,690.04, 118,252.18 and 47,964.28 is: 66,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,690.04 : 118,252.18 = 47,964.28 : x
  2. Step 2: Convert to fraction form
    85,690.04/118,252.18 = 47,964.28/x
  3. Step 3: Cross multiply
    85,690.04x = 118,252.18 × 47,964.28
  4. Step 4: Simplify right side
    85,690.04x = 5,671,880,672.13
  5. Step 5: Solve for x
    x = 5,671,880,672.13/85,690.04
  6. Step 6: Final answer
    x = 66,190.66

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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.