Home / 85,009.02-117,312.13-47,283.27

Finding the Fourth Proportional to 85,009.02, 117,312.13 and 47,283.27

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Solution

The fourth proportional to 85,009.02, 117,312.13 and 47,283.27 is: 65,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,009.02 : 117,312.13 = 47,283.27 : x
  2. Step 2: Convert to fraction form
    85,009.02/117,312.13 = 47,283.27/x
  3. Step 3: Cross multiply
    85,009.02x = 117,312.13 × 47,283.27
  4. Step 4: Simplify right side
    85,009.02x = 5,546,901,117.07
  5. Step 5: Solve for x
    x = 5,546,901,117.07/85,009.02
  6. Step 6: Final answer
    x = 65,250.74

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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.