Home / 93,378.24-128,859.06-53,096.40

Finding the Fourth Proportional to 93,378.24, 128,859.06 and 53,096.40

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Solution

The fourth proportional to 93,378.24, 128,859.06 and 53,096.40 is: 73,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.24 : 128,859.06 = 53,096.40 : x
  2. Step 2: Convert to fraction form
    93,378.24/128,859.06 = 53,096.40/x
  3. Step 3: Cross multiply
    93,378.24x = 128,859.06 × 53,096.40
  4. Step 4: Simplify right side
    93,378.24x = 6,841,952,193.38
  5. Step 5: Solve for x
    x = 6,841,952,193.38/93,378.24
  6. Step 6: Final answer
    x = 73,271.38

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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.