Home / 72,980.03-100,712.27-41,148.74

Finding the Fourth Proportional to 72,980.03, 100,712.27 and 41,148.74

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Solution

The fourth proportional to 72,980.03, 100,712.27 and 41,148.74 is: 56,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,980.03 : 100,712.27 = 41,148.74 : x
  2. Step 2: Convert to fraction form
    72,980.03/100,712.27 = 41,148.74/x
  3. Step 3: Cross multiply
    72,980.03x = 100,712.27 × 41,148.74
  4. Step 4: Simplify right side
    72,980.03x = 4,144,182,612.35
  5. Step 5: Solve for x
    x = 4,144,182,612.35/72,980.03
  6. Step 6: Final answer
    x = 56,785.16

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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.