Home / 86,032.50-118,673.37-54,146.04

Finding the Fourth Proportional to 86,032.50, 118,673.37 and 54,146.04

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Solution

The fourth proportional to 86,032.50, 118,673.37 and 54,146.04 is: 74,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,032.50 : 118,673.37 = 54,146.04 : x
  2. Step 2: Convert to fraction form
    86,032.50/118,673.37 = 54,146.04/x
  3. Step 3: Cross multiply
    86,032.50x = 118,673.37 × 54,146.04
  4. Step 4: Simplify right side
    86,032.50x = 6,425,693,038.95
  5. Step 5: Solve for x
    x = 6,425,693,038.95/86,032.50
  6. Step 6: Final answer
    x = 74,689.14

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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.