Home / 94,639.79-130,557.83-56,377.42

Finding the Fourth Proportional to 94,639.79, 130,557.83 and 56,377.42

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Solution

The fourth proportional to 94,639.79, 130,557.83 and 56,377.42 is: 77,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,639.79 : 130,557.83 = 56,377.42 : x
  2. Step 2: Convert to fraction form
    94,639.79/130,557.83 = 56,377.42/x
  3. Step 3: Cross multiply
    94,639.79x = 130,557.83 × 56,377.42
  4. Step 4: Simplify right side
    94,639.79x = 7,360,513,007.92
  5. Step 5: Solve for x
    x = 7,360,513,007.92/94,639.79
  6. Step 6: Final answer
    x = 77,773.98

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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.