Home / 93,276.42-128,742.22-59,278.27

Finding the Fourth Proportional to 93,276.42, 128,742.22 and 59,278.27

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Solution

The fourth proportional to 93,276.42, 128,742.22 and 59,278.27 is: 81,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,276.42 : 128,742.22 = 59,278.27 : x
  2. Step 2: Convert to fraction form
    93,276.42/128,742.22 = 59,278.27/x
  3. Step 3: Cross multiply
    93,276.42x = 128,742.22 × 59,278.27
  4. Step 4: Simplify right side
    93,276.42x = 7,631,615,829.80
  5. Step 5: Solve for x
    x = 7,631,615,829.80/93,276.42
  6. Step 6: Final answer
    x = 81,817.21

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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.