Home / 93,458.06-128,971.24-57,633.74

Finding the Fourth Proportional to 93,458.06, 128,971.24 and 57,633.74

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Solution

The fourth proportional to 93,458.06, 128,971.24 and 57,633.74 is: 79,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,458.06 : 128,971.24 = 57,633.74 : x
  2. Step 2: Convert to fraction form
    93,458.06/128,971.24 = 57,633.74/x
  3. Step 3: Cross multiply
    93,458.06x = 128,971.24 × 57,633.74
  4. Step 4: Simplify right side
    93,458.06x = 7,433,094,913.64
  5. Step 5: Solve for x
    x = 7,433,094,913.64/93,458.06
  6. Step 6: Final answer
    x = 79,534.02

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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.