Home / 90,070.56-124,266.96-52,313.76

Finding the Fourth Proportional to 90,070.56, 124,266.96 and 52,313.76

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Solution

The fourth proportional to 90,070.56, 124,266.96 and 52,313.76 is: 72,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.56 : 124,266.96 = 52,313.76 : x
  2. Step 2: Convert to fraction form
    90,070.56/124,266.96 = 52,313.76/x
  3. Step 3: Cross multiply
    90,070.56x = 124,266.96 × 52,313.76
  4. Step 4: Simplify right side
    90,070.56x = 6,500,871,921.37
  5. Step 5: Solve for x
    x = 6,500,871,921.37/90,070.56
  6. Step 6: Final answer
    x = 72,175.32

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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.