Home / 85,365.23-128,038.26-32,737.79

Finding the Fourth Proportional to 85,365.23, 128,038.26 and 32,737.79

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Solution

The fourth proportional to 85,365.23, 128,038.26 and 32,737.79 is: 49,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365.23 : 128,038.26 = 32,737.79 : x
  2. Step 2: Convert to fraction form
    85,365.23/128,038.26 = 32,737.79/x
  3. Step 3: Cross multiply
    85,365.23x = 128,038.26 × 32,737.79
  4. Step 4: Simplify right side
    85,365.23x = 4,191,689,667.85
  5. Step 5: Solve for x
    x = 4,191,689,667.85/85,365.23
  6. Step 6: Final answer
    x = 49,103.01

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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.