Home / 77,923.84-107,534.92-42,113.80

Finding the Fourth Proportional to 77,923.84, 107,534.92 and 42,113.80

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Solution

The fourth proportional to 77,923.84, 107,534.92 and 42,113.80 is: 58,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,923.84 : 107,534.92 = 42,113.80 : x
  2. Step 2: Convert to fraction form
    77,923.84/107,534.92 = 42,113.80/x
  3. Step 3: Cross multiply
    77,923.84x = 107,534.92 × 42,113.80
  4. Step 4: Simplify right side
    77,923.84x = 4,528,704,113.90
  5. Step 5: Solve for x
    x = 4,528,704,113.90/77,923.84
  6. Step 6: Final answer
    x = 58,117.06

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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.