Home / 97,784.88-134,734.77-65,898.42

Finding the Fourth Proportional to 97,784.88, 134,734.77 and 65,898.42

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Solution

The fourth proportional to 97,784.88, 134,734.77 and 65,898.42 is: 90,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,784.88 : 134,734.77 = 65,898.42 : x
  2. Step 2: Convert to fraction form
    97,784.88/134,734.77 = 65,898.42/x
  3. Step 3: Cross multiply
    97,784.88x = 134,734.77 × 65,898.42
  4. Step 4: Simplify right side
    97,784.88x = 8,878,808,462.06
  5. Step 5: Solve for x
    x = 8,878,808,462.06/97,784.88
  6. Step 6: Final answer
    x = 90,799.40

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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.