Home / 93,427.41-128,925.05-53,140.29

Finding the Fourth Proportional to 93,427.41, 128,925.05 and 53,140.29

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Solution

The fourth proportional to 93,427.41, 128,925.05 and 53,140.29 is: 73,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427.41 : 128,925.05 = 53,140.29 : x
  2. Step 2: Convert to fraction form
    93,427.41/128,925.05 = 53,140.29/x
  3. Step 3: Cross multiply
    93,427.41x = 128,925.05 × 53,140.29
  4. Step 4: Simplify right side
    93,427.41x = 6,851,113,796.09
  5. Step 5: Solve for x
    x = 6,851,113,796.09/93,427.41
  6. Step 6: Final answer
    x = 73,330.87

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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.