Home / 77,860.12-107,446.96-42,050.13

Finding the Fourth Proportional to 77,860.12, 107,446.96 and 42,050.13

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Solution

The fourth proportional to 77,860.12, 107,446.96 and 42,050.13 is: 58,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860.12 : 107,446.96 = 42,050.13 : x
  2. Step 2: Convert to fraction form
    77,860.12/107,446.96 = 42,050.13/x
  3. Step 3: Cross multiply
    77,860.12x = 107,446.96 × 42,050.13
  4. Step 4: Simplify right side
    77,860.12x = 4,518,158,636.10
  5. Step 5: Solve for x
    x = 4,518,158,636.10/77,860.12
  6. Step 6: Final answer
    x = 58,029.18

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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.