Home / 83,033.10-124,598.86-77,779.14

Finding the Fourth Proportional to 83,033.10, 124,598.86 and 77,779.14

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Solution

The fourth proportional to 83,033.10, 124,598.86 and 77,779.14 is: 116,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,033.10 : 124,598.86 = 77,779.14 : x
  2. Step 2: Convert to fraction form
    83,033.10/124,598.86 = 77,779.14/x
  3. Step 3: Cross multiply
    83,033.10x = 124,598.86 × 77,779.14
  4. Step 4: Simplify right side
    83,033.10x = 9,691,191,514.09
  5. Step 5: Solve for x
    x = 9,691,191,514.09/83,033.10
  6. Step 6: Final answer
    x = 116,714.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.