Home / 85,283.32-117,729.36-62,582.20

Finding the Fourth Proportional to 85,283.32, 117,729.36 and 62,582.20

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Solution

The fourth proportional to 85,283.32, 117,729.36 and 62,582.20 is: 86,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,283.32 : 117,729.36 = 62,582.20 : x
  2. Step 2: Convert to fraction form
    85,283.32/117,729.36 = 62,582.20/x
  3. Step 3: Cross multiply
    85,283.32x = 117,729.36 × 62,582.20
  4. Step 4: Simplify right side
    85,283.32x = 7,367,762,353.39
  5. Step 5: Solve for x
    x = 7,367,762,353.39/85,283.32
  6. Step 6: Final answer
    x = 86,391.60

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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.