Home / 77,557.12-116,238.12-42,017.08

Finding the Fourth Proportional to 77,557.12, 116,238.12 and 42,017.08

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Solution

The fourth proportional to 77,557.12, 116,238.12 and 42,017.08 is: 62,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,557.12 : 116,238.12 = 42,017.08 : x
  2. Step 2: Convert to fraction form
    77,557.12/116,238.12 = 42,017.08/x
  3. Step 3: Cross multiply
    77,557.12x = 116,238.12 × 42,017.08
  4. Step 4: Simplify right side
    77,557.12x = 4,883,986,387.09
  5. Step 5: Solve for x
    x = 4,883,986,387.09/77,557.12
  6. Step 6: Final answer
    x = 62,972.77

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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.