Home / 63,154.38-87,153.05-34,860.07

Finding the Fourth Proportional to 63,154.38, 87,153.05 and 34,860.07

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Solution

The fourth proportional to 63,154.38, 87,153.05 and 34,860.07 is: 48,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154.38 : 87,153.05 = 34,860.07 : x
  2. Step 2: Convert to fraction form
    63,154.38/87,153.05 = 34,860.07/x
  3. Step 3: Cross multiply
    63,154.38x = 87,153.05 × 34,860.07
  4. Step 4: Simplify right side
    63,154.38x = 3,038,161,423.71
  5. Step 5: Solve for x
    x = 3,038,161,423.71/63,154.38
  6. Step 6: Final answer
    x = 48,106.90

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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.