Home / 93,289.93-128,739.81-53,001.74

Finding the Fourth Proportional to 93,289.93, 128,739.81 and 53,001.74

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Solution

The fourth proportional to 93,289.93, 128,739.81 and 53,001.74 is: 73,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.93 : 128,739.81 = 53,001.74 : x
  2. Step 2: Convert to fraction form
    93,289.93/128,739.81 = 53,001.74/x
  3. Step 3: Cross multiply
    93,289.93x = 128,739.81 × 53,001.74
  4. Step 4: Simplify right side
    93,289.93x = 6,823,434,457.88
  5. Step 5: Solve for x
    x = 6,823,434,457.88/93,289.93
  6. Step 6: Final answer
    x = 73,142.24

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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.