Home / 93,275.64-128,683.89-57,403.37

Finding the Fourth Proportional to 93,275.64, 128,683.89 and 57,403.37

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Solution

The fourth proportional to 93,275.64, 128,683.89 and 57,403.37 is: 79,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,275.64 : 128,683.89 = 57,403.37 : x
  2. Step 2: Convert to fraction form
    93,275.64/128,683.89 = 57,403.37/x
  3. Step 3: Cross multiply
    93,275.64x = 128,683.89 × 57,403.37
  4. Step 4: Simplify right side
    93,275.64x = 7,386,889,272.42
  5. Step 5: Solve for x
    x = 7,386,889,272.42/93,275.64
  6. Step 6: Final answer
    x = 79,194.20

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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.