Home / 57,090.81-85,525.40-42,070.67

Finding the Fourth Proportional to 57,090.81, 85,525.40 and 42,070.67

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Solution

The fourth proportional to 57,090.81, 85,525.40 and 42,070.67 is: 63,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.81 : 85,525.40 = 42,070.67 : x
  2. Step 2: Convert to fraction form
    57,090.81/85,525.40 = 42,070.67/x
  3. Step 3: Cross multiply
    57,090.81x = 85,525.40 × 42,070.67
  4. Step 4: Simplify right side
    57,090.81x = 3,598,110,242.04
  5. Step 5: Solve for x
    x = 3,598,110,242.04/57,090.81
  6. Step 6: Final answer
    x = 63,024.33

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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.