Home / 77,809.01-107,150.45-67,595.38

Finding the Fourth Proportional to 77,809.01, 107,150.45 and 67,595.38

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Solution

The fourth proportional to 77,809.01, 107,150.45 and 67,595.38 is: 93,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,809.01 : 107,150.45 = 67,595.38 : x
  2. Step 2: Convert to fraction form
    77,809.01/107,150.45 = 67,595.38/x
  3. Step 3: Cross multiply
    77,809.01x = 107,150.45 × 67,595.38
  4. Step 4: Simplify right side
    77,809.01x = 7,242,874,779.07
  5. Step 5: Solve for x
    x = 7,242,874,779.07/77,809.01
  6. Step 6: Final answer
    x = 93,085.30

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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.