Home / 85,533.64-128,312.34-26,373.96

Finding the Fourth Proportional to 85,533.64, 128,312.34 and 26,373.96

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Solution

The fourth proportional to 85,533.64, 128,312.34 and 26,373.96 is: 39,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.64 : 128,312.34 = 26,373.96 : x
  2. Step 2: Convert to fraction form
    85,533.64/128,312.34 = 26,373.96/x
  3. Step 3: Cross multiply
    85,533.64x = 128,312.34 × 26,373.96
  4. Step 4: Simplify right side
    85,533.64x = 3,384,104,522.67
  5. Step 5: Solve for x
    x = 3,384,104,522.67/85,533.64
  6. Step 6: Final answer
    x = 39,564.60

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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.