Home / 89,283.24-134,011.26-65,663.40

Finding the Fourth Proportional to 89,283.24, 134,011.26 and 65,663.40

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Solution

The fourth proportional to 89,283.24, 134,011.26 and 65,663.40 is: 98,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,283.24 : 134,011.26 = 65,663.40 : x
  2. Step 2: Convert to fraction form
    89,283.24/134,011.26 = 65,663.40/x
  3. Step 3: Cross multiply
    89,283.24x = 134,011.26 × 65,663.40
  4. Step 4: Simplify right side
    89,283.24x = 8,799,634,969.88
  5. Step 5: Solve for x
    x = 8,799,634,969.88/89,283.24
  6. Step 6: Final answer
    x = 98,558.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.