Home / 77,573.23-116,357.53-21,416.77

Finding the Fourth Proportional to 77,573.23, 116,357.53 and 21,416.77

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Solution

The fourth proportional to 77,573.23, 116,357.53 and 21,416.77 is: 32,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,573.23 : 116,357.53 = 21,416.77 : x
  2. Step 2: Convert to fraction form
    77,573.23/116,357.53 = 21,416.77/x
  3. Step 3: Cross multiply
    77,573.23x = 116,357.53 × 21,416.77
  4. Step 4: Simplify right side
    77,573.23x = 2,492,002,457.78
  5. Step 5: Solve for x
    x = 2,492,002,457.78/77,573.23
  6. Step 6: Final answer
    x = 32,124.52

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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.