Home / 76,455.29-105,500.57-44,642.64

Finding the Fourth Proportional to 76,455.29, 105,500.57 and 44,642.64

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Solution

The fourth proportional to 76,455.29, 105,500.57 and 44,642.64 is: 61,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,455.29 : 105,500.57 = 44,642.64 : x
  2. Step 2: Convert to fraction form
    76,455.29/105,500.57 = 44,642.64/x
  3. Step 3: Cross multiply
    76,455.29x = 105,500.57 × 44,642.64
  4. Step 4: Simplify right side
    76,455.29x = 4,709,824,077.91
  5. Step 5: Solve for x
    x = 4,709,824,077.91/76,455.29
  6. Step 6: Final answer
    x = 61,602.33

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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.