Home / 77,141.08-106,419.18-53,301.16

Finding the Fourth Proportional to 77,141.08, 106,419.18 and 53,301.16

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Solution

The fourth proportional to 77,141.08, 106,419.18 and 53,301.16 is: 73,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,141.08 : 106,419.18 = 53,301.16 : x
  2. Step 2: Convert to fraction form
    77,141.08/106,419.18 = 53,301.16/x
  3. Step 3: Cross multiply
    77,141.08x = 106,419.18 × 53,301.16
  4. Step 4: Simplify right side
    77,141.08x = 5,672,265,740.25
  5. Step 5: Solve for x
    x = 5,672,265,740.25/77,141.08
  6. Step 6: Final answer
    x = 73,531.06

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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.