Home / 85,128.02-117,477.46-46,887.71

Finding the Fourth Proportional to 85,128.02, 117,477.46 and 46,887.71

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Solution

The fourth proportional to 85,128.02, 117,477.46 and 46,887.71 is: 64,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,128.02 : 117,477.46 = 46,887.71 : x
  2. Step 2: Convert to fraction form
    85,128.02/117,477.46 = 46,887.71/x
  3. Step 3: Cross multiply
    85,128.02x = 117,477.46 × 46,887.71
  4. Step 4: Simplify right side
    85,128.02x = 5,508,248,633.91
  5. Step 5: Solve for x
    x = 5,508,248,633.91/85,128.02
  6. Step 6: Final answer
    x = 64,705.47

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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.