Home / 85,823.76-118,312.72-60,252.28

Finding the Fourth Proportional to 85,823.76, 118,312.72 and 60,252.28

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Solution

The fourth proportional to 85,823.76, 118,312.72 and 60,252.28 is: 83,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,823.76 : 118,312.72 = 60,252.28 : x
  2. Step 2: Convert to fraction form
    85,823.76/118,312.72 = 60,252.28/x
  3. Step 3: Cross multiply
    85,823.76x = 118,312.72 × 60,252.28
  4. Step 4: Simplify right side
    85,823.76x = 7,128,611,133.00
  5. Step 5: Solve for x
    x = 7,128,611,133.00/85,823.76
  6. Step 6: Final answer
    x = 83,061.04

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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.