Home / 85,417.56-128,129.58-23,088.08

Finding the Fourth Proportional to 85,417.56, 128,129.58 and 23,088.08

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Solution

The fourth proportional to 85,417.56, 128,129.58 and 23,088.08 is: 34,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,417.56 : 128,129.58 = 23,088.08 : x
  2. Step 2: Convert to fraction form
    85,417.56/128,129.58 = 23,088.08/x
  3. Step 3: Cross multiply
    85,417.56x = 128,129.58 × 23,088.08
  4. Step 4: Simplify right side
    85,417.56x = 2,958,265,993.41
  5. Step 5: Solve for x
    x = 2,958,265,993.41/85,417.56
  6. Step 6: Final answer
    x = 34,633.00

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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.