Home / 70,328.18-105,464.47-22,931.62

Finding the Fourth Proportional to 70,328.18, 105,464.47 and 22,931.62

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Solution

The fourth proportional to 70,328.18, 105,464.47 and 22,931.62 is: 34,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.18 : 105,464.47 = 22,931.62 : x
  2. Step 2: Convert to fraction form
    70,328.18/105,464.47 = 22,931.62/x
  3. Step 3: Cross multiply
    70,328.18x = 105,464.47 × 22,931.62
  4. Step 4: Simplify right side
    70,328.18x = 2,418,470,828.55
  5. Step 5: Solve for x
    x = 2,418,470,828.55/70,328.18
  6. Step 6: Final answer
    x = 34,388.36

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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.