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Finding the Fourth Proportional to 93,637, 129,219.06 and 51,195.84

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Solution

The fourth proportional to 93,637, 129,219.06 and 51,195.84 is: 70,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,637 : 129,219.06 = 51,195.84 : x
  2. Step 2: Convert to fraction form
    93,637/129,219.06 = 51,195.84/x
  3. Step 3: Cross multiply
    93,637x = 129,219.06 × 51,195.84
  4. Step 4: Simplify right side
    93,637x = 6,615,478,320.71
  5. Step 5: Solve for x
    x = 6,615,478,320.71/93,637
  6. Step 6: Final answer
    x = 70,650.26

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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.