Home / 98,666.77-136,160.13-53,344.75

Finding the Fourth Proportional to 98,666.77, 136,160.13 and 53,344.75

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Solution

The fourth proportional to 98,666.77, 136,160.13 and 53,344.75 is: 73,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.77 : 136,160.13 = 53,344.75 : x
  2. Step 2: Convert to fraction form
    98,666.77/136,160.13 = 53,344.75/x
  3. Step 3: Cross multiply
    98,666.77x = 136,160.13 × 53,344.75
  4. Step 4: Simplify right side
    98,666.77x = 7,263,427,693.56
  5. Step 5: Solve for x
    x = 7,263,427,693.56/98,666.77
  6. Step 6: Final answer
    x = 73,615.74

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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.