Home / 62,416.50-86,134.78-34,122.40

Finding the Fourth Proportional to 62,416.50, 86,134.78 and 34,122.40

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Solution

The fourth proportional to 62,416.50, 86,134.78 and 34,122.40 is: 47,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,416.50 : 86,134.78 = 34,122.40 : x
  2. Step 2: Convert to fraction form
    62,416.50/86,134.78 = 34,122.40/x
  3. Step 3: Cross multiply
    62,416.50x = 86,134.78 × 34,122.40
  4. Step 4: Simplify right side
    62,416.50x = 2,939,125,417.07
  5. Step 5: Solve for x
    x = 2,939,125,417.07/62,416.50
  6. Step 6: Final answer
    x = 47,088.92

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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.