Home / 93,315.09-128,776.23-53,029.74

Finding the Fourth Proportional to 93,315.09, 128,776.23 and 53,029.74

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Solution

The fourth proportional to 93,315.09, 128,776.23 and 53,029.74 is: 73,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.09 : 128,776.23 = 53,029.74 : x
  2. Step 2: Convert to fraction form
    93,315.09/128,776.23 = 53,029.74/x
  3. Step 3: Cross multiply
    93,315.09x = 128,776.23 × 53,029.74
  4. Step 4: Simplify right side
    93,315.09x = 6,828,969,995.08
  5. Step 5: Solve for x
    x = 6,828,969,995.08/93,315.09
  6. Step 6: Final answer
    x = 73,181.84

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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.