Home / 76,366.77-105,381.07-42,373.10

Finding the Fourth Proportional to 76,366.77, 105,381.07 and 42,373.10

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Solution

The fourth proportional to 76,366.77, 105,381.07 and 42,373.10 is: 58,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.77 : 105,381.07 = 42,373.10 : x
  2. Step 2: Convert to fraction form
    76,366.77/105,381.07 = 42,373.10/x
  3. Step 3: Cross multiply
    76,366.77x = 105,381.07 × 42,373.10
  4. Step 4: Simplify right side
    76,366.77x = 4,465,322,617.91
  5. Step 5: Solve for x
    x = 4,465,322,617.91/76,366.77
  6. Step 6: Final answer
    x = 58,472.07

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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.