Home / 64,005.90-95,931.08-45,291.40

Finding the Fourth Proportional to 64,005.90, 95,931.08 and 45,291.40

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Solution

The fourth proportional to 64,005.90, 95,931.08 and 45,291.40 is: 67,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,005.90 : 95,931.08 = 45,291.40 : x
  2. Step 2: Convert to fraction form
    64,005.90/95,931.08 = 45,291.40/x
  3. Step 3: Cross multiply
    64,005.90x = 95,931.08 × 45,291.40
  4. Step 4: Simplify right side
    64,005.90x = 4,344,853,414.65
  5. Step 5: Solve for x
    x = 4,344,853,414.65/64,005.90
  6. Step 6: Final answer
    x = 67,882.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.