Home / 70,328.63-105,457.05-22,913.23

Finding the Fourth Proportional to 70,328.63, 105,457.05 and 22,913.23

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Solution

The fourth proportional to 70,328.63, 105,457.05 and 22,913.23 is: 34,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.63 : 105,457.05 = 22,913.23 : x
  2. Step 2: Convert to fraction form
    70,328.63/105,457.05 = 22,913.23/x
  3. Step 3: Cross multiply
    70,328.63x = 105,457.05 × 22,913.23
  4. Step 4: Simplify right side
    70,328.63x = 2,416,361,641.77
  5. Step 5: Solve for x
    x = 2,416,361,641.77/70,328.63
  6. Step 6: Final answer
    x = 34,358.15

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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.