Home / 76,148.48-105,085.14-41,223.12

Finding the Fourth Proportional to 76,148.48, 105,085.14 and 41,223.12

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Solution

The fourth proportional to 76,148.48, 105,085.14 and 41,223.12 is: 56,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,148.48 : 105,085.14 = 41,223.12 : x
  2. Step 2: Convert to fraction form
    76,148.48/105,085.14 = 41,223.12/x
  3. Step 3: Cross multiply
    76,148.48x = 105,085.14 × 41,223.12
  4. Step 4: Simplify right side
    76,148.48x = 4,331,937,336.44
  5. Step 5: Solve for x
    x = 4,331,937,336.44/76,148.48
  6. Step 6: Final answer
    x = 56,888.03

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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.