Home / 85,802.05-118,336.63-60,392.53

Finding the Fourth Proportional to 85,802.05, 118,336.63 and 60,392.53

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Solution

The fourth proportional to 85,802.05, 118,336.63 and 60,392.53 is: 83,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802.05 : 118,336.63 = 60,392.53 : x
  2. Step 2: Convert to fraction form
    85,802.05/118,336.63 = 60,392.53/x
  3. Step 3: Cross multiply
    85,802.05x = 118,336.63 × 60,392.53
  4. Step 4: Simplify right side
    85,802.05x = 7,146,647,921.91
  5. Step 5: Solve for x
    x = 7,146,647,921.91/85,802.05
  6. Step 6: Final answer
    x = 83,292.28

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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.