Home / 83,686.03-115,486.33-45,445.27

Finding the Fourth Proportional to 83,686.03, 115,486.33 and 45,445.27

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Solution

The fourth proportional to 83,686.03, 115,486.33 and 45,445.27 is: 62,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,686.03 : 115,486.33 = 45,445.27 : x
  2. Step 2: Convert to fraction form
    83,686.03/115,486.33 = 45,445.27/x
  3. Step 3: Cross multiply
    83,686.03x = 115,486.33 × 45,445.27
  4. Step 4: Simplify right side
    83,686.03x = 5,248,307,448.16
  5. Step 5: Solve for x
    x = 5,248,307,448.16/83,686.03
  6. Step 6: Final answer
    x = 62,714.26

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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.