Home / 93,586.02-128,929.77-65,241.06

Finding the Fourth Proportional to 93,586.02, 128,929.77 and 65,241.06

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Solution

The fourth proportional to 93,586.02, 128,929.77 and 65,241.06 is: 89,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,586.02 : 128,929.77 = 65,241.06 : x
  2. Step 2: Convert to fraction form
    93,586.02/128,929.77 = 65,241.06/x
  3. Step 3: Cross multiply
    93,586.02x = 128,929.77 × 65,241.06
  4. Step 4: Simplify right side
    93,586.02x = 8,411,514,860.36
  5. Step 5: Solve for x
    x = 8,411,514,860.36/93,586.02
  6. Step 6: Final answer
    x = 89,880.04

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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.