Home / 97,668.88-134,767.08-64,176.40

Finding the Fourth Proportional to 97,668.88, 134,767.08 and 64,176.40

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Solution

The fourth proportional to 97,668.88, 134,767.08 and 64,176.40 is: 88,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,668.88 : 134,767.08 = 64,176.40 : x
  2. Step 2: Convert to fraction form
    97,668.88/134,767.08 = 64,176.40/x
  3. Step 3: Cross multiply
    97,668.88x = 134,767.08 × 64,176.40
  4. Step 4: Simplify right side
    97,668.88x = 8,648,866,032.91
  5. Step 5: Solve for x
    x = 8,648,866,032.91/97,668.88
  6. Step 6: Final answer
    x = 88,552.94

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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.