Home / 93,437.56-128,906.58-57,565.36

Finding the Fourth Proportional to 93,437.56, 128,906.58 and 57,565.36

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Solution

The fourth proportional to 93,437.56, 128,906.58 and 57,565.36 is: 79,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,437.56 : 128,906.58 = 57,565.36 : x
  2. Step 2: Convert to fraction form
    93,437.56/128,906.58 = 57,565.36/x
  3. Step 3: Cross multiply
    93,437.56x = 128,906.58 × 57,565.36
  4. Step 4: Simplify right side
    93,437.56x = 7,420,553,684.07
  5. Step 5: Solve for x
    x = 7,420,553,684.07/93,437.56
  6. Step 6: Final answer
    x = 79,417.25

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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.