Home / 93,411.09-128,903.40-53,119.26

Finding the Fourth Proportional to 93,411.09, 128,903.40 and 53,119.26

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Solution

The fourth proportional to 93,411.09, 128,903.40 and 53,119.26 is: 73,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.09 : 128,903.40 = 53,119.26 : x
  2. Step 2: Convert to fraction form
    93,411.09/128,903.40 = 53,119.26/x
  3. Step 3: Cross multiply
    93,411.09x = 128,903.40 × 53,119.26
  4. Step 4: Simplify right side
    93,411.09x = 6,847,253,219.48
  5. Step 5: Solve for x
    x = 6,847,253,219.48/93,411.09
  6. Step 6: Final answer
    x = 73,302.36

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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.