Home / 79,345.95-119,038.61-39,383.69

Finding the Fourth Proportional to 79,345.95, 119,038.61 and 39,383.69

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Solution

The fourth proportional to 79,345.95, 119,038.61 and 39,383.69 is: 59,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.95 : 119,038.61 = 39,383.69 : x
  2. Step 2: Convert to fraction form
    79,345.95/119,038.61 = 39,383.69/x
  3. Step 3: Cross multiply
    79,345.95x = 119,038.61 × 39,383.69
  4. Step 4: Simplify right side
    79,345.95x = 4,688,180,221.93
  5. Step 5: Solve for x
    x = 4,688,180,221.93/79,345.95
  6. Step 6: Final answer
    x = 59,085.31

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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.