Home / 75,057.48-103,460.22-59,116.68

Finding the Fourth Proportional to 75,057.48, 103,460.22 and 59,116.68

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Solution

The fourth proportional to 75,057.48, 103,460.22 and 59,116.68 is: 81,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,057.48 : 103,460.22 = 59,116.68 : x
  2. Step 2: Convert to fraction form
    75,057.48/103,460.22 = 59,116.68/x
  3. Step 3: Cross multiply
    75,057.48x = 103,460.22 × 59,116.68
  4. Step 4: Simplify right side
    75,057.48x = 6,116,224,718.47
  5. Step 5: Solve for x
    x = 6,116,224,718.47/75,057.48
  6. Step 6: Final answer
    x = 81,487.21

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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.